Base | Representation |
---|---|
bin | 10110110101001011… |
… | …11111001010110001 |
3 | 1011122020022122220121 |
4 | 23122211333022301 |
5 | 200100333410440 |
6 | 5344141010241 |
7 | 612514356400 |
oct | 133245771261 |
9 | 34566278817 |
10 | 12257325745 |
11 | 521aa39285 |
12 | 2460b53981 |
13 | 1204570792 |
14 | 843c83637 |
15 | 4bb15034a |
hex | 2da97f2b1 |
12257325745 has 48 divisors (see below), whose sum is σ = 17734368960. Its totient is φ = 8099554176.
The previous prime is 12257325739. The next prime is 12257325763. The reversal of 12257325745 is 54752375221.
It is not a de Polignac number, because 12257325745 - 29 = 12257325233 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4567174 + ... + 4569856.
It is an arithmetic number, because the mean of its divisors is an integer number (369466020).
Almost surely, 212257325745 is an apocalyptic number.
It is an amenable number.
12257325745 is a deficient number, since it is larger than the sum of its proper divisors (5477043215).
12257325745 is a wasteful number, since it uses less digits than its factorization.
12257325745 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3374 (or 3367 counting only the distinct ones).
The product of its digits is 588000, while the sum is 43.
The spelling of 12257325745 in words is "twelve billion, two hundred fifty-seven million, three hundred twenty-five thousand, seven hundred forty-five".
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