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12708640232 = 234793316451
BaseRepresentation
bin10111101010111111…
…00111010111101000
31012210200112210222222
423311133213113220
5202011402441412
65501022133212
7626634442151
oct136537472750
935720483888
1012708640232
115431772562
122568121208
131276c0a882
14887ba4928
154e5a9d072
hex2f57e75e8

12708640232 has 16 divisors (see below), whose sum is σ = 23878454400. Its totient is φ = 6341052400.

The previous prime is 12708640211. The next prime is 12708640237. The reversal of 12708640232 is 23204680721.

It is a super-3 number, since 3×127086402323 (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12708640192 and 12708640201.

It is not an unprimeable number, because it can be changed into a prime (12708640237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1654394 + ... + 1662057.

It is an arithmetic number, because the mean of its divisors is an integer number (1492403400).

Almost surely, 212708640232 is an apocalyptic number.

It is an amenable number.

12708640232 is a deficient number, since it is larger than the sum of its proper divisors (11169814168).

12708640232 is a wasteful number, since it uses less digits than its factorization.

12708640232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3316936 (or 3316932 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The spelling of 12708640232 in words is "twelve billion, seven hundred eight million, six hundred forty thousand, two hundred thirty-two".

Divisors: 1 2 4 8 479 958 1916 3832 3316451 6632902 13265804 26531608 1588580029 3177160058 6354320116 12708640232