Base | Representation |
---|---|
bin | 110101000101111011… |
… | …001010010100101011 |
3 | 12110010222001210122101 |
4 | 311011323022110223 |
5 | 1413222433232111 |
6 | 42104453034231 |
7 | 4055463360421 |
oct | 650573122453 |
9 | 173128053571 |
10 | 57007711531 |
11 | 221a4404491 |
12 | b06b925977 |
13 | 54b68459b4 |
14 | 2a8b2d7111 |
15 | 1739bd3bc1 |
hex | d45eca52b |
57007711531 has 2 divisors, whose sum is σ = 57007711532. Its totient is φ = 57007711530.
The previous prime is 57007711529. The next prime is 57007711567. The reversal of 57007711531 is 13511770075.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 57007711531 - 21 = 57007711529 is a prime.
It is a super-2 number, since 2×570077115312 (a number of 22 digits) contains 22 as substring.
Together with 57007711529, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (57007751531) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28503855765 + 28503855766.
It is an arithmetic number, because the mean of its divisors is an integer number (28503855766).
Almost surely, 257007711531 is an apocalyptic number.
57007711531 is a deficient number, since it is larger than the sum of its proper divisors (1).
57007711531 is an equidigital number, since it uses as much as digits as its factorization.
57007711531 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 25725, while the sum is 37.
The spelling of 57007711531 in words is "fifty-seven billion, seven million, seven hundred eleven thousand, five hundred thirty-one".
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