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12506060472 = 2331730652109
BaseRepresentation
bin10111010010110101…
…10101011010111000
31012021120100200210220
423221122311122320
5201103022413342
65424544140040
7621624521463
oct135132653270
935246320726
1012506060472
115338388374
122510307620
131243c5c2a9
14868d102da
154d2dd45ec
hex2e96b56b8

12506060472 has 32 divisors (see below), whose sum is σ = 33104278800. Its totient is φ = 3923469824.

The previous prime is 12506060467. The next prime is 12506060521. The reversal of 12506060472 is 27406060521.

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, 15325647 + ... + 15326462.

Almost surely, 212506060472 is an apocalyptic number.

12506060472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12506060472 is an abundant number, since it is smaller than the sum of its proper divisors (20598218328).

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

12506060472 is a wasteful number, since it uses less digits than its factorization.

12506060472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30652135 (or 30652131 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 12506060472 in words is "twelve billion, five hundred six million, sixty thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 408 30652109 61304218 91956327 122608436 183912654 245216872 367825308 521085853 735650616 1042171706 1563257559 2084343412 3126515118 4168686824 6253030236 12506060472