Base | Representation |
---|---|
bin | 110101100100000010… |
… | …111011111011100111 |
3 | 12111110011222110221112 |
4 | 311210002323323213 |
5 | 1420241321104330 |
6 | 42230544335235 |
7 | 4104140665613 |
oct | 654402737347 |
9 | 174404873845 |
10 | 57513066215 |
11 | 22433698990 |
12 | b19101451b |
13 | 5567454137 |
14 | 2ad8484343 |
15 | 1769258795 |
hex | d640bbee7 |
57513066215 has 32 divisors (see below), whose sum is σ = 81394467840. Its totient is φ = 38555222400.
The previous prime is 57513066187. The next prime is 57513066223. The reversal of 57513066215 is 51266031575.
It is not a de Polignac number, because 57513066215 - 210 = 57513065191 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 705071 + ... + 782400.
It is an arithmetic number, because the mean of its divisors is an integer number (2543577120).
Almost surely, 257513066215 is an apocalyptic number.
57513066215 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
57513066215 is a deficient number, since it is larger than the sum of its proper divisors (23881401625).
57513066215 is a wasteful number, since it uses less digits than its factorization.
57513066215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1487543.
The product of its (nonzero) digits is 189000, while the sum is 41.
The spelling of 57513066215 in words is "fifty-seven billion, five hundred thirteen million, sixty-six thousand, two hundred fifteen".
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