Base | Representation |
---|---|
bin | 110001010100… |
… | …010010001000 |
3 | 220022211001212 |
4 | 301110102020 |
5 | 11302200021 |
6 | 1141032252 |
7 | 214613234 |
oct | 61242210 |
9 | 26284055 |
10 | 12928136 |
11 | 7330111 |
12 | 43b5688 |
13 | 28a85b0 |
14 | 1a075c4 |
15 | 120585b |
hex | c54488 |
12928136 has 16 divisors (see below), whose sum is σ = 26105100. Its totient is φ = 5966784.
The previous prime is 12928129. The next prime is 12928141. The reversal of 12928136 is 63182921.
It can be written as a sum of positive squares in 2 ways, for example, as 11222500 + 1705636 = 3350^2 + 1306^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62051 + ... + 62258.
Almost surely, 212928136 is an apocalyptic number.
It is an amenable number.
12928136 is an abundant number, since it is smaller than the sum of its proper divisors (13176964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12928136 is a wasteful number, since it uses less digits than its factorization.
12928136 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 124328 (or 124324 counting only the distinct ones).
The product of its digits is 5184, while the sum is 32.
The square root of 12928136 is about 3595.5717208811. The cubic root of 12928136 is about 234.6993953290.
The spelling of 12928136 in words is "twelve million, nine hundred twenty-eight thousand, one hundred thirty-six".
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