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12731927756196 = 22311109787925249
BaseRepresentation
bin1011100101000110001000…
…0001111111110110100100
31200002011022221021120021010
42321101202001333312210
53132044442001144241
643024544502022220
72452565016206235
oct271214201776644
950064287246233
1012731927756196
114069642330270
121517648a17970
1371480072304c
1432032b37d08c
151712bee93d16
hexb946207fda4

12731927756196 has 48 divisors (see below), whose sum is σ = 32438086632000. Its totient is φ = 3854642872320.

The previous prime is 12731927756147. The next prime is 12731927756281. The reversal of 12731927756196 is 69165772913721.

12731927756196 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×127319277561962 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43817821 + ... + 44107428.

It is an arithmetic number, because the mean of its divisors is an integer number (675793471500).

Almost surely, 212731927756196 is an apocalyptic number.

It is an amenable number.

12731927756196 is an abundant number, since it is smaller than the sum of its proper divisors (19706158875804).

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

12731927756196 is a wasteful number, since it uses less digits than its factorization.

12731927756196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87926364 (or 87926362 counting only the distinct ones).

The product of its digits is 60011280, while the sum is 66.

The spelling of 12731927756196 in words is "twelve trillion, seven hundred thirty-one billion, nine hundred twenty-seven million, seven hundred fifty-six thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 1097 2194 3291 4388 6582 12067 13164 24134 36201 48268 72402 144804 87925249 175850498 263775747 351700996 527551494 967177739 1055102988 1934355478 2901533217 3868710956 5803066434 11606132868 96453998153 192907996306 289361994459 385815992612 578723988918 1060993979683 1157447977836 2121987959366 3182981939049 4243975918732 6365963878098 12731927756196