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12696730552 = 2311301947791
BaseRepresentation
bin10111101001100100…
…01011101110111000
31012202212010201222201
423310302023232320
5202000330334202
65455514555544
7626431300102
oct136462135670
935685121881
1012696730552
115425a78650
122564138bb4
1312745caa1c
14886384572
154e49e9387
hex2f4c8bbb8

12696730552 has 32 divisors (see below), whose sum is σ = 25979731200. Its totient is φ = 5769208800.

The previous prime is 12696730471. The next prime is 12696730577. The reversal of 12696730552 is 25503769621.

It is a super-2 number, since 2×126967305522 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241777 + ... + 289567.

It is an arithmetic number, because the mean of its divisors is an integer number (811866600).

Almost surely, 212696730552 is an apocalyptic number.

It is an amenable number.

12696730552 is an abundant number, since it is smaller than the sum of its proper divisors (13283000648).

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

12696730552 is a wasteful number, since it uses less digits than its factorization.

12696730552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50827 (or 50823 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 46.

The spelling of 12696730552 in words is "twelve billion, six hundred ninety-six million, seven hundred thirty thousand, five hundred fifty-two".

Divisors: 1 2 4 8 11 22 44 88 3019 6038 12076 24152 33209 47791 66418 95582 132836 191164 265672 382328 525701 1051402 2102804 4205608 144281029 288562058 577124116 1154248232 1587091319 3174182638 6348365276 12696730552