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12704496012 = 22321331875689
BaseRepresentation
bin10111101010011111…
…10011100110001100
31012210101202021012100
423311033303212030
5202004322333022
65500353235100
7626554301655
oct136517634614
935711667170
1012704496012
11542a3a198a
122566862a90
1312760b9480
1488740652c
154e55301ac
hex2f53f398c

12704496012 has 72 divisors (see below), whose sum is σ = 35700129920. Its totient is φ = 3782972160.

The previous prime is 12704495987. The next prime is 12704496023. The reversal of 12704496012 is 21069440721.

It is a happy number.

12704496012 is a `hidden beast` number, since 1 + 2 + 7 + 0 + 4 + 49 + 601 + 2 = 666.

It is a super-2 number, since 2×127044960122 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 423337 + ... + 452352.

Almost surely, 212704496012 is an apocalyptic number.

12704496012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12704496012 is an abundant number, since it is smaller than the sum of its proper divisors (22995633908).

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

12704496012 is a wasteful number, since it uses less digits than its factorization.

12704496012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875743 (or 875738 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 12704496012 in words is "twelve billion, seven hundred four million, four hundred ninety-six thousand, twelve".

Divisors: 1 2 3 4 6 9 12 13 18 26 31 36 39 52 62 78 93 117 124 156 186 234 279 372 403 468 558 806 1116 1209 1612 2418 3627 4836 7254 14508 875689 1751378 2627067 3502756 5254134 7881201 10508268 11383957 15762402 22767914 27146359 31524804 34151871 45535828 54292718 68303742 81439077 102455613 108585436 136607484 162878154 204911226 244317231 325756308 352902667 409822452 488634462 705805334 977268924 1058708001 1411610668 2117416002 3176124003 4234832004 6352248006 12704496012