Base | Representation |
---|---|
bin | 11001111110101111000100… |
… | …10110111001011111111111 |
3 | 21111021200111121101120211022 |
4 | 30333113202112321133333 |
5 | 24442014102330020344 |
6 | 321301405210414355 |
7 | 15014406226401614 |
oct | 1477274226713777 |
9 | 244250447346738 |
10 | 57131157657599 |
11 | 17227208100883 |
12 | 64a84991313bb |
13 | 25b55a2a1080c |
14 | 101723c97650b |
15 | 6911a4b470ee |
hex | 33f5e25b97ff |
57131157657599 has 16 divisors (see below), whose sum is σ = 58149449942400. Its totient is φ = 56114538159456.
The previous prime is 57131157657559. The next prime is 57131157657671. The reversal of 57131157657599 is 99575675113175.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-57131157657599 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57131157657559) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1316273432 + ... + 1316316834.
It is an arithmetic number, because the mean of its divisors is an integer number (3634340621400).
Almost surely, 257131157657599 is an apocalyptic number.
57131157657599 is a gapful number since it is divisible by the number (59) formed by its first and last digit.
57131157657599 is a deficient number, since it is larger than the sum of its proper divisors (1018292284801).
57131157657599 is a wasteful number, since it uses less digits than its factorization.
57131157657599 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62134.
The product of its digits is 312558750, while the sum is 71.
The spelling of 57131157657599 in words is "fifty-seven trillion, one hundred thirty-one billion, one hundred fifty-seven million, six hundred fifty-seven thousand, five hundred ninety-nine".
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