Base | Representation |
---|---|
bin | 11100100010100101… |
… | …011101101101010001 |
3 | 2221002201000011221101 |
4 | 130202211131231101 |
5 | 1000230111024200 |
6 | 22024513024401 |
7 | 2133261231061 |
oct | 344245355521 |
9 | 87081004841 |
10 | 30645017425 |
11 | 11aa634a190 |
12 | 5b32b55101 |
13 | 2b74bc3209 |
14 | 16a9d8d3a1 |
15 | be558a26a |
hex | 72295db51 |
30645017425 has 24 divisors (see below), whose sum is σ = 42156989280. Its totient is φ = 21909523200.
The previous prime is 30645017413. The next prime is 30645017443. The reversal of 30645017425 is 52471054603.
It is not a de Polignac number, because 30645017425 - 27 = 30645017297 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 928152 + ... + 960601.
It is an arithmetic number, because the mean of its divisors is an integer number (1756541220).
Almost surely, 230645017425 is an apocalyptic number.
It is an amenable number.
30645017425 is a deficient number, since it is larger than the sum of its proper divisors (11511971855).
30645017425 is a wasteful number, since it uses less digits than its factorization.
30645017425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1888833 (or 1888828 counting only the distinct ones).
The product of its (nonzero) digits is 100800, while the sum is 37.
The spelling of 30645017425 in words is "thirty billion, six hundred forty-five million, seventeen thousand, four hundred twenty-five".
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