1015044518552064
1,015,044,518,552,064 is an even composite number composed of seven prime numbers multiplied together.
1015044518552064 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two thousand, one hundred sixty divisors.
Prime factorization of 1015044518552064:
29 × 3 × 7 × 112 × 13 × 612 × 1272
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 11 × 11 × 13 × 61 × 61 × 127 × 127)See below for interesting mathematical facts about the number 1015044518552064 from the Numbermatics database.
Names of 1015044518552064
- Cardinal: 1015044518552064 can be written as One quadrillion, fifteen trillion, forty-four billion, five hundred eighteen million, five hundred fifty-two thousand and sixty-four.
Scientific notation
- Scientific notation: 1.015044518552064 × 1015
Factors of 1015044518552064
Divisors of 1015044518552064
- Number of divisors d(n): 2160
-
Complete list of divisors:
1 2 3 4 6 7 8 11 12 13 14 16 21 22 24 26 28 32 33 39 42 44 48 52 56 61 64 66 77 78 84 88 91 96 104 112 121 122 127 128 132 143 154 156 168 176 182 183 192 208 224 231 242 244 254 256 264 273 286 308 312 336 352 363 364 366 381 384 416 427 429 448 462 484 488 508 512 528 546 572 616 624 671 672 704 726 728 732 762 768 793 832 847 854 858 889 896 924 968 976 1001 1016 1056 1092 1144 1232 1248 1281 1342 1344 1397 1408 1452 1456 1464 1524 1536 1573 1586 1651 1664 1694 1708 1716 1778 1792 1848 1936 1952 2002 2013 2032 2112 2184 2288 2379 2464 2496 2541 2562 2667 2684 2688 2794 2816 2904 2912 2928 3003 3048 3146 3172 3302 3328 3388 3416 3432 3556 3584 3696 3721 3872 3904 4004 4026 4064 4191 4224 4368 4576 4697 4719 4758 4928 4953 4992 5082 5124 5334 5368 5376 5551 5588 5632 5808 5824 5856 6006 6096 6292 6344 6604 6656 6776 6832 6864 7112 7381 7392 7442 7744 7747 7808 8008 8052 8128 8382 8448 8723 8736 9152 9394 9438 9516 9779 9856 9906 9984 10164 10248 10668 10736 10752 11011 11102 11163 11176 11557 11616 11648 11712 12012 12192 12584 12688 13208 13552 13664 13728 14091 14224 14762 14784 14884 15367 15488 15494 15616 16016 16104 16129 16256 16653 16764 16896 17446 17472 18161 18304 18788 18876 19032 19558 19712 19812 19968 20328 20496 21336 21472 22022 22143 22204 22326 22352 23114 23232 23241 23296 23424 24024 24384 25168 25376 26047 26169 26416 27104 27328 27456 28182 28448 29337 29524 29568 29768 30734 30976 30988 31232 32032 32208 32258 32512 33033 33306 33528 34671 34892 34944 36322 36608 37576 37752 38064 39116 39424 39624 40656 40931 40992 42672 42944 44044 44286 44408 44652 44704 46101 46228 46464 46482 46592 46848 48048 48373 48387 48768 50336 50752 51667 52094 52338 52832 54208 54229 54483 54656 54912 56364 56896 58674 59048 59136 59536 61061 61468 61952 61976 64064 64416 64516 65024 66066 66612 67056 69342 69784 69888 72644 73216 75152 75504 76128 78141 78232 79248 81312 81862 81984 85217 85344 85888 88088 88572 88816 89304 89408 92202 92456 92928 92964 93696 95953 96096 96746 96774 97536 100672 100711 101504 103334 104188 104676 105664 107569 108416 108458 108966 109312 109824 112728 112903 113792 117348 118096 118272 119072 122122 122793 122936 123952 127127 128128 128832 129032 132132 133224 134112 138684 139568 139776 145119 145288 150304 151008 152256 155001 156282 156464 158496 162624 162687 163724 163968 170434 170688 171776 176176 177144 177419 177632 178608 178816 183183 184404 184912 185856 185928 191906 192192 193492 193548 195072 199771 201344 201422 203008 206668 208376 209352 209677 211328 215138 216832 216916 217932 218624 219648 225456 225806 227584 234696 236192 238144 244244 245586 245872 247904 254254 255651 256256 257664 258064 264264 266448 268224 277368 279136 286517 287859 290238 290576 300608 302016 302133 304512 310002 312564 312928 316992 322707 325248 325374 327448 327936 338611 338709 340868 341376 343552 352352 354288 354838 355264 357216 357632 366366 368808 369824 371856 381381 383812 384384 386984 387096 399542 402688 402844 406016 413336 416752 418704 419354 422656 430276 433664 433832 435864 450241 450912 451612 455168 469392 472384 472567 476288 488488 491172 491744 495808 508508 511302 512512 515328 516128 528528 532103 532257 532896 536448 554736 558272 573034 575718 580476 581152 596519 599313 601216 604032 604266 609024 620004 625128 625856 629031 633984 645414 650496 650748 654896 655872 671671 677222 677418 681736 682752 704704 704977 708576 709676 710528 714432 715264 732732 737616 739648 743712 762762 767624 768768 773968 774192 799084 805376 805688 826672 833504 837408 838708 845312 859551 860552 867664 871728 900482 901824 903224 937387 938784 944768 945134 952576 976976 982344 983488 983869 991616 1015833 1017016 1022604 1030656 1032256 1057056 1064206 1064514 1065792 1072896 1107821 1109472 1116544 1146068 1151436 1160952 1162304 1193038 1198626 1202432 1208064 1208532 1218048 1240008 1241933 1250256 1251712 1258062 1267968 1290828 1300992 1301496 1309792 1343342 1350723 1354444 1354836 1363472 1365504 1398397 1409408 1409954 1417152 1417701 1419352 1421056 1428864 1465464 1467739 1475232 1479296 1487424 1525524 1535248 1537536 1547936 1548384 1596309 1598168 1611376 1653344 1667008 1674816 1677416 1719102 1721104 1735328 1743456 1789557 1800964 1803648 1806448 1874774 1877568 1889536 1890268 1905152 1951609 1953952 1964688 1966976 1967738 1983232 2015013 2031666 2034032 2045208 2064512 2114112 2114931 2128412 2129028 2131584 2145792 2215642 2218944 2233088 2292136 2302872 2306447 2321904 2324608 2386076 2397252 2404864 2416128 2417064 2480016 2483866 2500512 2503424 2516124 2535936 2581656 2602992 2619584 2686684 2701446 2708888 2709672 2726944 2796794 2812161 2818816 2819908 2834304 2835402 2838704 2842112 2857728 2930928 2935478 2950464 2951607 2958592 2974848 3051048 3070496 3095872 3096768 3151687 3192618 3196336 3222752 3306688 3307969 3323463 3334016 3349632 3354832 3438204 3442208 3470656 3486912 3579114 3601928 3607296 3612896 3724721 3725799 3749548 3755136 3779072 3780536 3903218 3907904 3929376 3933952 3935476 3966464 4030026 4063332 4068064 4090416 4129024 4195191 4228224 4229862 4256824 4258056 4263168 4403217 4431284 4437888 4466176 4584272 4605744 4612894 4643808 4649216 4772152 4794504 4834128 4960032 4967732 5001024 5006848 5032248 5163312 5198237 5205984 5239168 5373368 5402892 5417776 5419344 5453888 5593588 5624322 5637632 5639816 5668608 5670804 5677408 5715456 5853133 5854827 5861856 5870956 5900928 5903214 5917184 5949696 6102096 6140992 6143371 6191744 6193536 6303374 6385236 6392672 6445504 6561709 6613376 6615938 6646926 6668032 6699264 6709664 6876408 6884416 6887083 6919341 6941312 6973824 7158228 7203856 7214592 7225792 7449442 7451598 7499096 7510272 7561072 7754747 7806436 7815808 7858752 7867904 7870952 8060052 8126664 8136128 8180832 8258048 8390382 8456448 8459724 8513648 8516112 8526336 8806434 8862568 8875776 9168544 9211488 9225788 9287616 9298432 9455061 9544304 9589008 9668256 9920064 9923907 9935464 10002048 10064496 10326624 10396474 10411968 10478336 10746736 10805784 10822559 10835552 10838688 10907776 11174163 11187176 11248644 11279632 11337216 11341608 11354816 11706266 11709654 11723712 11741912 11801856 11806428 11899392 12186031 12204192 12281984 12286742 12383488 12387072 12606748 12770472 12785344 12790297 12891008 13123418 13226752 13231876 13293852 13336064 13398528 13419328 13661263 13752816 13768832 13774166 13838682 13882624 13947648 14316456 14407712 14451584 14898884 14903196 14998192 15020544 15122144 15509494 15594711 15612872 15631616 15717504 15741904 16120104 16145129 16253328 16272256 16361664 16780764 16912896 16919448 17027296 17032224 17559399 17612868 17725136 17751552 18337088 18422976 18430113 18451576 18575232 18910122 19088608 19178016 19336512 19685127 19840128 19847814 19870928 20004096 20128992 20653248 20661249 20792948 20823936 20956672 21493472 21611568 21645118 21671104 21677376 21815552 22348326 22374352 22497288 22559264 22683216 22709632 23264241 23412532 23419308 23447424 23483824 23603712 23612856 24372062 24408384 24563968 24573484 24766976 24774144 25213496 25370917 25540944 25570688 25580594 25782016 26246836 26453504 26463752 26587704 26838656 27322526 27505632 27537664 27548332 27677364 27765248 27895296 28632912 28815424 28903168 29797768 29806392 29996384 30244288 31018988 31189422 31225744 31263232 31435008 31483808 32240208 32290258 32467677 32506656 32544512 32723328 33561528 33838896 34054592 34064448 35118798 35225736 35450272 36387659 36558093 36674176 36845952 36860226 36903152 37150464 37820244 38177216 38356032 38370891 38673024 39370254 39680256 39695628 39741856 40008192 40257984 40971931 40983789 41306496 41322498 41585896 41647872 42986944 43003597 43223136 43290236 43342208 43354752 43631104 44696652 44748704 44994576 45118528 45366432 45419264 46528482 46825064 46838616 46894848 46967648 47225712 48435387 48744124 48816768 49127936 49146968 50426992 50741834 51081888 51141376 51161188 51564032 52493672 52927504 53175408 53677312 54645052 55011264 55075328 55096664 55354728 57180607 57265824 57630848 57806336 59595536 59612784 59992768 60016009 60488576 62037976 62378844 62451488 62870016 62967616 64480416 64580516 64935354 65013312 65089024 65446656 67123056 67577081 67677792 68109184 68128896 70237596 70451472 70900544 72775318 73116186 73348352 73691904 73720452 73806304 74300928 75640488 75757913 76112751 76354432 76712064 76741782 77346048 78740508 79360512 79391256 79483712 80515968 81943862 81967578 82612992 82644996 83171792 83295744 85302217 85973888 86007194 86446272 86580472 86684416 86709504 89393304 89497408 89532079 89989152 90237056 90732864 90838528 93056964 93650128 93677232 93789696 93935296 94451424 96870774 97488248 97633536 98293936 100853984 101483668 102163776 102282752 102322376 104987344 105855008 106350816 107354624 109162977 109290104 110022528 110193328 110709456 114361214 114531648 115261696 119048149 119191072 119225568 119985536 120032018 120977152 122915793 124075952 124757688 124902976 125935232 128960832 129010791 129161032 129870708 130026624 130893312 134246112 135154162 135355584 136218368 136257792 140475192 140693267 140902944 141801088 145550636 146232372 146696704 147383808 147440904 147612608 151280976 151515826 152225502 152708864 153424128 153483564 154692096 157481016 158782512 158967424 161031936 163887724 163935156 165225984 165289992 166343584 170604434 171541821 171947776 172014388 172892544 173160944 173368832 173419008 177596419 178786608 178994816 179064158 179978304 180048027 180474112 181465728 186113928 187300256 187354464 187870592 188902848 193741548 194976496 195267072 196587872 201707968 202731243 202967336 204327552 204644752 209974688 211710016 212701632 218325954 218580208 220045056 220386656 221418912 227273739 228722428 229063296 230523392 238096298 238382144 238451136 239971072 240064036 241954304 245831586 248151904 249515376 249805952 251870464 255906651 257921664 258021582 258322064 259741416 260053248 268492224 268596237 270308324 270711168 272436736 272515584 280950384 281386534 281805888 283602176 291101272 292464744 294881808 295225216 302561952 303031652 304451004 305417728 306848256 306967128 314962032 317565024 317934848 322063872 327775448 327870312 330579984 332687168 341208868 343083642 343895552 344028776 345785088 346321888 355192838 357144447 357573216 357989632 358128316 359956608 360096054 360948224 362931456 372227856 374600512 374708928 375741184 377805696 387483096 389952992 393175744 400264249 403415936 405462486 405934672 408655104 409289504 419949376 420112063 422079801 423420032 425403264 436651908 437160416 440090112 440773312 442837824 454547478 457444856 458126592 473039567 476192596 476764288 476902272 479942144 480128072 491663172 496303808 499030752 499611904 503740928 511813302 515843328 516043164 516644128 519482832 520106496 532789257 536984448 537192474 540616648 541422336 561900768 562773068 563611776 567204352 582202544 584929488 589763616 590450432 605123904 606063304 608902008 613934256 629924064 635130048 635869696 655550896 655740624 660176099 661159968 665374336 682417736 686167284 688057552 691570176 692643776 710385676 714288894 715146432 715979264 716256632 719913216 720192108 725862912 743347891 744455712 749201024 749417856 751482368 755611392 774966192 779905984 780208117 786351488 800528498 806831872 810924972 811869344 817310208 818579008 833337043 839898752 840224126 844159602 846840064 850806528 873303816 874320832 881546624 885675648 909094956 914889712 916253184 946079134 952385192 953528576 953804544 960256144 983326344 984852869 992607616 998061504 999223808 1023626604 1031686656 1032086328 1033288256 1038965664 1065578514 1073968896 1074384948 1081233296 1082844672 1123801536 1125546136 1127223552 1164405088 1169858976 1179527232 1180900864 1200792747 1210247808 1212126608 1217804016 1227868512 1259848128 1260336189 1270260096 1311101792 1311481248 1320352198 1322319936 1330748672 1364835472 1372334568 1376115104 1385287552 1419118701 1420771352 1428577788 1430292864 1432513264 1439826432 1440384216 1486695782 1488911424 1498402048 1498835712 1511222784 1547625937 1549932384 1559811968 1560416234 1572702976 1601056996 1613663744 1621849944 1623738688 1637158016 1666674086 1679797504 1680448252 1688319204 1693680128 1701613056 1746607632 1748641664 1763093248 1771351296 1818189912 1829779424 1892158268 1904770384 1907057152 1907609088 1920512288 1966652688 1969705738 1980528297 1985215232 1996123008 2047253208 2064172656 2066576512 2077931328 2131157028 2147937792 2148769896 2162466592 2230043673 2247603072 2251092272 2254447104 2328810176 2339717952 2340624351 2359054464 2401585494 2420495616 2424253216 2435608032 2455737024 2500011129 2519696256 2520672378 2540520192 2622203584 2622962496 2640704396 2644639872 2661497344 2729670944 2744669136 2752230208 2770575104 2838237402 2841542704 2857155576 2860585728 2865026528 2880768432 2954558607 2973391564 2977822848 2996804096 2997671424 3095251874 3099864768 3119623936 3120832468 3145405952 3202113992 3243699888 3247477376 3274316032 3333348172 3359595008 3360896504 3376638408 3493215264 3497283328 3526186496 3542702592 3636379824 3659558848 3784316536 3809540768 3841024576 3933305376 3939411476 3961056594 3970430464 3992246016 4094506416 4128345312 4133153024 4155862656 4262314056 4297539792 4324933184 4460087346 4495206144 4502184544 4621232693 4642877811 4657620352 4679435904 4681248702 4718108928 4803170988 4840991232 4848506432 4871216064 4911474048 5000022258 5039392512 5041344756 5081040384 5203435237 5244407168 5245924992 5281408792 5289279744 5459341888 5461456819 5489338272 5504460416 5541150208 5676474804 5683085408 5714311152 5721171456 5730053056 5761536864 5909117214 5946783128 5955645696 6190503748 6199729536 6239247872 6241664936 6404227984 6487399776 6494954752 6548632064 6666696344 6721793008 6753276816 6986430528 6994566656 7261937089 7272759648 7319117696 7568633072 7619081536 7682049152 7866610752 7878822952 7922113188 7984492032 8189012832 8256690624 8266306048 8311725312 8524628112 8582289287 8595079584 8649866368 8920174692 8990412288 9004369088 9242465386 9285755622 9315240704 9358871808 9362497404 9436217856 9606341976 9697012864 9742432128 9822948096 10000044516 10078785024 10082689512 10406870474 10488814336 10491849984 10562817584 10578559488 10833381559 10918683776 10922913638 10978676544 11008920832 11352949608 11366170816 11428622304 11460106112 11523073728 11818234428 11893566256 11911291392 12381007496 12399459072 12483329872 12808455968 12974799552 12989909504 13333392688 13443586016 13506553632 13863698079 13972861056 14523874178 14545519296 14638235392 15137266144 15238163072 15364098304 15610305711 15733221504 15757645904 15844226376 16378025664 16384370457 16513381248 16623450624 17049256224 17164578574 17190159168 17299732736 17840349384 18008738176 18484930772 18571511244 18630481408 18717743616 18724994808 19212683952 19394025728 19484864256 19645896192 20000089032 20165379024 20813740948 20977628672 20983699968 21125635168 21666763118 21785811267 21837367552 21845827276 21957353088 22017841664 22705899216 22732341632 22857244608 22920212224 23046147456 23636468856 23787132512 24762014992 24798918144 24966659744 25616911936 25746867861 25949599104 26666785376 26887172032 27013107264 27727396158 27945722112 29047748356 29091038592 29276470784 30274532288 30476326144 30728196608 31220611422 31466443008 31515291808 31688452752 32500144677 32756051328 32768740914 33026762496 34098512448 34329157148 34380318336 34599465472 35680698768 36017476352 36969861544 37143022488 37449989616 38425367904 38788051456 38969728512 40000178064 40330758048 41627481896 42251270336 43333526236 43571622534 43674735104 43691654552 43914706176 45411798432 45464683264 45714489216 45840424448 46092294912 47272937712 47574265024 49524029984 49933319488 50833559623 51233823872 51493735722 51899198208 53333570752 53774344064 54026214528 55454792316 55891444224 58095496712 58182077184 60076025009 60549064576 60952652288 62441222844 62932886016 63030583616 63376905504 65000289354 65512102656 65537481828 66053524992 68197024896 68658314296 68760636672 71361397536 72034952704 73939723088 74286044976 74899979232 76850735808 80000356128 80661516096 83254963792 84502540672 86667052472 87143245068 87383309104 87829412352 90823596864 90929366528 91428978432 92184589824 94405182157 94545875424 95148530048 99048059968 99866638976 101667119246 102467647744 102987471444 103798396416 106667141504 107548688128 108052429056 110909584632 116190993424 116364154368 120152050018 121098129152 124882445688 126061167232 126753811008 130000578708 131024205312 131074963656 136394049792 137316628592 137521273344 142722795072 147879446176 148572089952 149799958464 152500678869 153701471616 160000712256 161323032192 166509927584 169005081344 173334104944 174286490136 174766618208 180228075027 181647193728 182857956864 188810364314 189091750848 190297060096 198096119936 199733277952 203334238492 204935295488 205974942888 213334283008 215097376256 216104858112 221819169264 232381986848 240304100036 242196258304 249764891376 252122334464 253507622016 260001157416 262149927312 272788099584 274633257184 283215546471 285445590144 295758892352 297144179904 299599916928 305001357738 307402943232 320001424512 322646064384 333019855168 338010162688 346668209888 348572980272 349533236416 360456150054 363294387456 377620728628 378183501696 380594120192 396192239872 399466555904 406668476984 411949885776 426668566016 443638338528 464763973696 480608200072 499529782752 504244668928 507015244032 520002314832 524299854624 549266514368 566431092942 570891180288 591517784704 594288359808 599199833856 610002715476 614805886464 640002849024 645292128768 660836275099 666039710336 693336419776 697145960544 699066472832 720912300108 726588774912 755241457256 756367003392 792384479744 813336953968 823899771552 887276677056 929527947392 961216400144 999059565504 1014030488064 1040004629664 1048599709248 1098533028736 1132862185884 1141782360576 1183035569408 1188576719616 1198399667712 1220005430952 1280005698048 1321672550198 1332079420672 1386672839552 1394291921088 1398132945664 1441824600216 1510482914512 1512734006784 1626673907936 1647799543104 1774553354112 1859055894784 1922432800288 1982508825297 1998119131008 2080009259328 2097199418496 2197066057472 2265724371768 2366071138816 2377153439232 2440010861904 2643345100396 2664158841344 2773345679104 2788583842176 2796265891328 2883649200432 3020965829024 3253347815872 3295599086208 3549106708224 3718111789568 3844865600576 3965017650594 3996238262016 4160018518656 4194398836992 4394132114944 4531448743536 4880021723808 5286690200792 5546691358208 5577167684352 5767298400864 6041931658048 6506695631744 6591198172416 7098213416448 7689731201152 7930035301188 7992476524032 8320037037312 8388797673984 9062897487072 9760043447616 10573380401584 11154335368704 11534596801728 12083863316096 13013391263488 13182396344832 15379462402304 15860070602376 16640074074624 18125794974144 19520086895232 21146760803168 23069193603456 24167726632192 26026782526976 30758924804608 31720141204752 36251589948288 39040173790464 42293521606336 46138387206912 48335453264384 63440282409504 72503179896576 78080347580928 84587043212672 92276774413824 126880564819008 145006359793152 169174086425344 253761129638016 338348172850688 507522259276032 1015044518552064
- Sum of all divisors σ(n): 3748711648473792
- Sum of proper divisors (its aliquot sum) s(n): 2733667129921728
- 1015044518552064 is an abundant number, because the sum of its proper divisors (2733667129921728) is greater than itself. Its abundance is 1718622611369664
Bases of 1015044518552064
- Binary: 111001101100101101011101111111010110100010000000002
- Hexadecimal: 0x39B2D77F5A200
- Base-36: 9ZSX0IO8AO
Squares and roots of 1015044518552064
- 1015044518552064 squared (10150445185520642) is 1030315374642591397875078660096
- 1015044518552064 cubed (10150445185520643) is 1045815973410878634713743020225737579135238144
-
The
square root of 1015044518552064 is 31859763.3160082343 -
The
cube root of 1015044518552064 is 100498.9899010567
Scales and comparisons
How big is 1015044518552064?- 1,015,044,518,552,064 seconds is equal to 32,275,275 years, 49 weeks, 3 days, 4 hours, 54 minutes, 24 seconds.
-
To count from 1 to 1,015,044,518,552,064 would take you about ninety-six million, eight hundred twenty-five thousand, eight hundred twenty-seven years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 1015044518552064 cubic inches would be around 8374.9 feet tall.
Recreational maths with 1015044518552064
- 1015044518552064 backwards is 4602558154405101
- The number of decimal digits it has is: 16
- The sum of 1015044518552064's digits is 51
- More coming soon!
Link to this page
HTML: To link to this page, just copy and paste the link below into your blog, web page or email.
BBCODE: To link to this page in a forum post or comment box, just copy and paste the link code below:
Cite this page
MLA style:
"Number 1015044518552064 - Facts about the integer". Numbermatics.com. 2024. Web. 25 September 2024.
APA style:
Numbermatics. (2024). Number 1015044518552064 - Facts about the integer. Retrieved 25 September 2024, from https://numbermatics.com/n/1015044518552064/
Chicago style:
Numbermatics. 2024. "Number 1015044518552064 - Facts about the integer". https://numbermatics.com/n/1015044518552064/
The information we have on file for 1015044518552064 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
Keywords: Divisors of 1015044518552064, math, Factors of 1015044518552064, curriculum, school, college, exams, university, Prime factorization of 1015044518552064, STEM, science, technology, engineering, physics, economics, calculator, one quadrillion, fifteen trillion, forty-four billion, five hundred eighteen million, five hundred fifty-two thousand and sixty-four.