Base | Representation |
---|---|
bin | 110100001011101110… |
… | …010000101011001101 |
3 | 12100121220200110211001 |
4 | 310023232100223031 |
5 | 1404223000014044 |
6 | 41423532100301 |
7 | 4022335530226 |
oct | 641356205315 |
9 | 170556613731 |
10 | 56031251149 |
11 | 218431a9335 |
12 | aa38904691 |
13 | 538c45b0a3 |
14 | 29d775624d |
15 | 16ce1022d4 |
hex | d0bb90acd |
56031251149 has 2 divisors, whose sum is σ = 56031251150. Its totient is φ = 56031251148.
The previous prime is 56031251057. The next prime is 56031251173. The reversal of 56031251149 is 94115213065.
56031251149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 42055755625 + 13975495524 = 205075^2 + 118218^2 .
It is a cyclic number.
It is not a de Polignac number, because 56031251149 - 29 = 56031250637 is a prime.
It is a super-2 number, since 2×560312511492 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (56031251849) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28015625574 + 28015625575.
It is an arithmetic number, because the mean of its divisors is an integer number (28015625575).
Almost surely, 256031251149 is an apocalyptic number.
It is an amenable number.
56031251149 is a deficient number, since it is larger than the sum of its proper divisors (1).
56031251149 is an equidigital number, since it uses as much as digits as its factorization.
56031251149 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 32400, while the sum is 37.
The spelling of 56031251149 in words is "fifty-six billion, thirty-one million, two hundred fifty-one thousand, one hundred forty-nine".
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