Base | Representation |
---|---|
bin | 110101011111001011… |
… | …110000001011111101 |
3 | 12111020111111001020022 |
4 | 311133023300023331 |
5 | 1420104430210300 |
6 | 42214512101525 |
7 | 4102130423135 |
oct | 653713601375 |
9 | 174214431208 |
10 | 57431491325 |
11 | 223a164151a |
12 | b1698348a5 |
13 | 5553591c80 |
14 | 2acb6cbac5 |
15 | 1761ee3285 |
hex | d5f2f02fd |
57431491325 has 12 divisors (see below), whose sum is σ = 76693130388. Its totient is φ = 42410947200.
The previous prime is 57431491307. The next prime is 57431491367. The reversal of 57431491325 is 52319413475.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 3252877156 + 54178614169 = 57034^2 + 232763^2 .
It is not a de Polignac number, because 57431491325 - 28 = 57431491069 is a prime.
It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88355816 + ... + 88356465.
It is an arithmetic number, because the mean of its divisors is an integer number (6391094199).
Almost surely, 257431491325 is an apocalyptic number.
It is an amenable number.
57431491325 is a deficient number, since it is larger than the sum of its proper divisors (19261639063).
57431491325 is a wasteful number, since it uses less digits than its factorization.
57431491325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 176712304 (or 176712299 counting only the distinct ones).
The product of its digits is 453600, while the sum is 44.
The spelling of 57431491325 in words is "fifty-seven billion, four hundred thirty-one million, four hundred ninety-one thousand, three hundred twenty-five".
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