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12550451512 = 234691334429
BaseRepresentation
bin10111011000001000…
…01011000100111000
31012101122212222212111
423230010023010320
5201200403422022
65433211422104
7623004035434
oct135404130470
935348788774
1012550451512
115360447a85
122523154934
131250202691
14870b879c4
154d6c52477
hex2ec10b138

12550451512 has 16 divisors (see below), whose sum is σ = 23537183400. Its totient is φ = 6273869280.

The previous prime is 12550451483. The next prime is 12550451521. The reversal of 12550451512 is 21515405521.

It is a super-2 number, since 2×125504515122 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129687 + ... + 204742.

Almost surely, 212550451512 is an apocalyptic number.

It is an amenable number.

12550451512 is a deficient number, since it is larger than the sum of its proper divisors (10986731888).

12550451512 is a wasteful number, since it uses less digits than its factorization.

12550451512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339126 (or 339122 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 31.

The spelling of 12550451512 in words is "twelve billion, five hundred fifty million, four hundred fifty-one thousand, five hundred twelve".

Divisors: 1 2 4 8 4691 9382 18764 37528 334429 668858 1337716 2675432 1568806439 3137612878 6275225756 12550451512