Search a number
-
+
12519057132 = 22321033376229
BaseRepresentation
bin10111010100011000…
…11010011011101100
31012022110210222212200
423222030122123230
5201114334312012
65430130501500
7622143141561
oct135214323354
935273728780
1012519057132
115344754a0a
122514734890
13124685cb1a
1486a934868
154d41003dc
hex2ea31a6ec

12519057132 has 36 divisors (see below), whose sum is σ = 31952640720. Its totient is φ = 4132503072.

The previous prime is 12519057121. The next prime is 12519057139. The reversal of 12519057132 is 23175091521.

12519057132 is a `hidden beast` number, since 1 + 2 + 51 + 9 + 0 + 571 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (12519057139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1684407 + ... + 1691822.

Almost surely, 212519057132 is an apocalyptic number.

12519057132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12519057132 is an abundant number, since it is smaller than the sum of its proper divisors (19433583588).

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

12519057132 is a wasteful number, since it uses less digits than its factorization.

12519057132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3376342 (or 3376337 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 36.

The spelling of 12519057132 in words is "twelve billion, five hundred nineteen million, fifty-seven thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 103 206 309 412 618 927 1236 1854 3708 3376229 6752458 10128687 13504916 20257374 30386061 40514748 60772122 121544244 347751587 695503174 1043254761 1391006348 2086509522 3129764283 4173019044 6259528566 12519057132