Base | Representation |
---|---|
bin | 10110110101001110… |
… | …01000011010101100 |
3 | 1011122020212220110201 |
4 | 23122213020122230 |
5 | 200100423011042 |
6 | 5344151243244 |
7 | 612520046200 |
oct | 133247103254 |
9 | 34566786421 |
10 | 12257625772 |
11 | 5220123737 |
12 | 2461079524 |
13 | 1204647202 |
14 | 843d20b00 |
15 | 4bb1ae1b7 |
hex | 2da9c86ac |
12257625772 has 36 divisors (see below), whose sum is σ = 25210310664. Its totient is φ = 5199102720.
The previous prime is 12257625769. The next prime is 12257625797. The reversal of 12257625772 is 27752675221.
12257625772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 303354 + ... + 341377.
Almost surely, 212257625772 is an apocalyptic number.
It is an amenable number.
12257625772 is an abundant number, since it is smaller than the sum of its proper divisors (12952684892).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12257625772 is a wasteful number, since it uses less digits than its factorization.
12257625772 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 644846 (or 644837 counting only the distinct ones).
The product of its digits is 823200, while the sum is 46.
The spelling of 12257625772 in words is "twelve billion, two hundred fifty-seven million, six hundred twenty-five thousand, seven hundred seventy-two".
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