Base | Representation |
---|---|
bin | 10111010100011000… |
… | …11010011011101100 |
3 | 1012022110210222212200 |
4 | 23222030122123230 |
5 | 201114334312012 |
6 | 5430130501500 |
7 | 622143141561 |
oct | 135214323354 |
9 | 35273728780 |
10 | 12519057132 |
11 | 5344754a0a |
12 | 2514734890 |
13 | 124685cb1a |
14 | 86a934868 |
15 | 4d41003dc |
hex | 2ea31a6ec |
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".
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