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12899715984 = 2432233938299
BaseRepresentation
bin11000000001110001…
…00000101110010000
31020022000002110122200
430000320200232100
5202404311402414
65532005403200
7634444530261
oct140070405620
936260073580
1012899715984
11551a60a601
122600109500
1312a768bb4c
148a5302968
15507743109
hex300e20b90

12899715984 has 60 divisors (see below), whose sum is σ = 36117666000. Its totient is φ = 4297954752.

The previous prime is 12899715953. The next prime is 12899716031. The reversal of 12899715984 is 48951799821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 317667 + ... + 355965.

It is an arithmetic number, because the mean of its divisors is an integer number (601961100).

Almost surely, 212899715984 is an apocalyptic number.

It is an amenable number.

12899715984 is an abundant number, since it is smaller than the sum of its proper divisors (23217950016).

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

12899715984 is a wasteful number, since it uses less digits than its factorization.

12899715984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40652 (or 40643 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 63.

The spelling of 12899715984 in words is "twelve billion, eight hundred ninety-nine million, seven hundred fifteen thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 2339 4678 7017 9356 14034 18712 21051 28068 37424 38299 42102 56136 76598 84204 112272 114897 153196 168408 229794 306392 336816 344691 459588 612784 689382 919176 1378764 1838352 2757528 5515056 89581361 179162722 268744083 358325444 537488166 716650888 806232249 1074976332 1433301776 1612464498 2149952664 3224928996 4299905328 6449857992 12899715984