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63870020650896 = 24317232591412777
BaseRepresentation
bin11101000010110111001011…
…11001001000011110010000
322101010220200120000010222120
432201123211321020132100
531332421300241312041
6343501252111534240
716311312436624065
oct1641334571103620
9271126616003876
1063870020650896
111939513a6299a9
1271b653082a380
132983bbcb52b65
1411ab47b224c6c
1575b614928366
hex3a16e5e48790

63870020650896 has 120 divisors (see below), whose sum is σ = 175328123267040. Its totient is φ = 20031490953216.

The previous prime is 63870020650867. The next prime is 63870020650903. The reversal of 63870020650896 is 69805602007836.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44502460 + ... + 45915236.

It is an arithmetic number, because the mean of its divisors is an integer number (1461067693892).

Almost surely, 263870020650896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63870020650896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87664061633520).

63870020650896 is an abundant number, since it is smaller than the sum of its proper divisors (111458102616144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63870020650896 is a wasteful number, since it uses less digits than its factorization.

63870020650896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416081 (or 1416058 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 63870020650896 in words is "sixty-three trillion, eight hundred seventy billion, twenty million, six hundred fifty thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 16 17 24 34 48 51 68 102 136 204 272 289 408 578 816 867 1156 1734 2312 3259 3468 4624 6518 6936 9777 13036 13872 19554 26072 39108 52144 55403 78216 110806 156432 166209 221612 332418 443224 664836 886448 941851 1329672 1412777 1883702 2659344 2825553 2825554 3767404 4238331 5651106 5651108 7534808 8476662 11302212 11302216 15069616 16953324 22604424 22604432 24017209 33906648 45208848 48034418 67813296 72051627 96068836 144103254 192137672 288206508 384275344 408292553 576413016 816585106 1152826032 1224877659 1633170212 2449755318 3266340424 4604240243 4899510636 6532680848 9208480486 9799021272 13812720729 18416960972 19598042544 27625441458 36833921944 55250882916 73667843888 78272084131 110501765832 156544168262 221003531664 234816252393 313088336524 469632504786 626176673048 939265009572 1252353346096 1330625430227 1878530019144 2661250860454 3757060038288 3991876290681 5322501720908 7983752581362 10645003441816 15967505162724 21290006883632 31935010325448 63870020650896