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12857679184 = 247216400101
BaseRepresentation
bin10111111100110000…
…01001110101010000
31020012001222210000011
423332120021311100
5202313031213214
65523504404304
7633424320100
oct137630116520
936161883004
1012857679184
1154a8908749
1225aa016694
13129ba611bc
1489d8bd200
15503bdcac4
hex2fe609d50

12857679184 has 30 divisors (see below), whose sum is σ = 28978980234. Its totient is φ = 5510433600.

The previous prime is 12857679181. The next prime is 12857679203. The reversal of 12857679184 is 48197675821.

12857679184 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12732865600 + 124813584 = 112840^2 + 11172^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12857679181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8199267 + ... + 8200834.

Almost surely, 212857679184 is an apocalyptic number.

12857679184 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12857679184 is an abundant number, since it is smaller than the sum of its proper divisors (16121301050).

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

12857679184 is a wasteful number, since it uses less digits than its factorization.

12857679184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16400123 (or 16400110 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 58.

The spelling of 12857679184 in words is "twelve billion, eight hundred fifty-seven million, six hundred seventy-nine thousand, one hundred eighty-four".

Divisors: 1 2 4 7 8 14 16 28 49 56 98 112 196 392 784 16400101 32800202 65600404 114800707 131200808 229601414 262401616 459202828 803604949 918405656 1607209898 1836811312 3214419796 6428839592 12857679184