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12912036152 = 2312712708697
BaseRepresentation
bin11000000011001111…
…00000100100111000
31020022212021101202012
430001213200210320
5202420440124102
65533125425052
7634654332161
oct140147404470
936285241665
1012912036152
115526564964
12260426b188
1312aa0b37a2
148a6bcc768
15508878752
hex3019e0938

12912036152 has 16 divisors (see below), whose sum is σ = 24400700160. Its totient is φ = 6405182784.

The previous prime is 12912036139. The next prime is 12912036209. The reversal of 12912036152 is 25163021921.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6353333 + ... + 6355364.

It is an arithmetic number, because the mean of its divisors is an integer number (1525043760).

Almost surely, 212912036152 is an apocalyptic number.

It is an amenable number.

12912036152 is a deficient number, since it is larger than the sum of its proper divisors (11488664008).

12912036152 is a wasteful number, since it uses less digits than its factorization.

12912036152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12708830 (or 12708826 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 12912036152 in words is "twelve billion, nine hundred twelve million, thirty-six thousand, one hundred fifty-two".

Divisors: 1 2 4 8 127 254 508 1016 12708697 25417394 50834788 101669576 1614004519 3228009038 6456018076 12912036152