Base | Representation |
---|---|
bin | 1110000110100000101011… |
… | …00010000011011000110001 |
3 | 11001210112021222011022200211 |
4 | 13003100111202003120301 |
5 | 13031032012413003200 |
6 | 145541450414544121 |
7 | 6350254221324163 |
oct | 703202542033061 |
9 | 131715258138624 |
10 | 31010025125425 |
11 | 9976306832075 |
12 | 3589b4a808041 |
13 | 143c304681568 |
14 | 792c71016933 |
15 | 38b996712aba |
hex | 1c3415883631 |
31010025125425 has 96 divisors (see below), whose sum is σ = 42763511602944. Its totient is φ = 22187354112000.
The previous prime is 31010025125407. The next prime is 31010025125447. The reversal of 31010025125425 is 52452152001013.
It is a de Polignac number, because none of the positive numbers 2k-31010025125425 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 991765642 + ... + 991796908.
It is an arithmetic number, because the mean of its divisors is an integer number (445453245864).
Almost surely, 231010025125425 is an apocalyptic number.
It is an amenable number.
31010025125425 is a deficient number, since it is larger than the sum of its proper divisors (11753486477519).
31010025125425 is a wasteful number, since it uses less digits than its factorization.
31010025125425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31979 (or 31974 counting only the distinct ones).
The product of its (nonzero) digits is 12000, while the sum is 31.
Adding to 31010025125425 its reverse (52452152001013), we get a palindrome (83462177126438).
The spelling of 31010025125425 in words is "thirty-one trillion, ten billion, twenty-five million, one hundred twenty-five thousand, four hundred twenty-five".
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