Base | Representation |
---|---|
bin | 11000000010101101… |
… | …10010010110110000 |
3 | 1020022120000200112202 |
4 | 30001112302112300 |
5 | 202413324340103 |
6 | 5532451442332 |
7 | 634602144011 |
oct | 140126622660 |
9 | 36276020482 |
10 | 12907652528 |
11 | 5524040431 |
12 | 26028b63a8 |
13 | 12a920a424 |
14 | 8a63ab008 |
15 | 5082ae988 |
hex | 3015b25b0 |
12907652528 has 20 divisors (see below), whose sum is σ = 25815306048. Its totient is φ = 6245638080.
The previous prime is 12907652491. The next prime is 12907652531. The reversal of 12907652528 is 82525670921.
It is a happy number.
12907652528 is an admirable number.
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, 13011251 + ... + 13012242.
Almost surely, 212907652528 is an apocalyptic number.
It is an amenable number.
12907652528 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12907652528 is a wasteful number, since it uses less digits than its factorization.
12907652528 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26023532 (or 26023526 counting only the distinct ones).
The product of its (nonzero) digits is 604800, while the sum is 47.
The spelling of 12907652528 in words is "twelve billion, nine hundred seven million, six hundred fifty-two thousand, five hundred twenty-eight".
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