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31120796155908 = 223831131297213193
BaseRepresentation
bin1110001001101111000000…
…00000000000000000000100
311002012010012210101201001110
413010313200000000000010
513034340342303442113
6150104410230325020
76361255224464004
oct704674000000004
9132163183351043
1031120796155908
119a0928a126858
1235a75037b9770
1314498a882a404
1479837c784004
1538e7cb35dbc3
hex1c4de0000004

31120796155908 has 96 divisors (see below), whose sum is σ = 74197938519936. Its totient is φ = 10150040420352.

The previous prime is 31120796155861. The next prime is 31120796156053. The reversal of 31120796155908 is 80955169702113.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145868160 + ... + 146081352.

It is an arithmetic number, because the mean of its divisors is an integer number (772895192916).

Almost surely, 231120796155908 is an apocalyptic number.

It is an amenable number.

31120796155908 is an abundant number, since it is smaller than the sum of its proper divisors (43077142364028).

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

31120796155908 is a wasteful number, since it uses less digits than its factorization.

31120796155908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214693 (or 214691 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 57.

The spelling of 31120796155908 in words is "thirty-one trillion, one hundred twenty billion, seven hundred ninety-six million, one hundred fifty-five thousand, nine hundred eight".

Divisors: 1 2 3 4 6 12 83 113 166 226 249 332 339 452 498 678 996 1297 1356 2594 3891 5188 7782 9379 15564 18758 28137 37516 56274 107651 112548 146561 213193 215302 293122 322953 426386 430604 439683 586244 639579 645906 852772 879366 1279158 1291812 1758732 2558316 12164563 17695019 24090809 24329126 35390038 36493689 48181618 48658252 53085057 70780076 72272427 72987378 96363236 106170114 144544854 145974756 212340228 276511321 289089708 553022642 829533963 1106045284 1659067926 1999537147 3318135852 3999074294 5998611441 7998148588 11997222882 22950439643 23994445764 31245779273 45900879286 62491558546 68851318929 91801758572 93737337819 124983117092 137702637858 187474675638 275405275716 374949351276 2593399679659 5186799359318 7780199038977 10373598718636 15560398077954 31120796155908