Base | Representation |
---|---|
bin | 11100100010100110… |
… | …100001011101011000 |
3 | 2221002201112021121120 |
4 | 130202212201131120 |
5 | 1000230143414221 |
6 | 22024523005240 |
7 | 2133263465124 |
oct | 344246413530 |
9 | 87081467546 |
10 | 30645294936 |
11 | 11aa6519733 |
12 | 5b33069820 |
13 | 2b74c8c619 |
14 | 16aa022584 |
15 | be55e25c6 |
hex | 7229a1758 |
30645294936 has 64 divisors (see below), whose sum is σ = 82650520800. Its totient is φ = 9432803328.
The previous prime is 30645294907. The next prime is 30645294947. The reversal of 30645294936 is 63949254603.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 686971 + ... + 730218.
Almost surely, 230645294936 is an apocalyptic number.
It is an amenable number.
30645294936 is an abundant number, since it is smaller than the sum of its proper divisors (52005225864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30645294936 is a wasteful number, since it uses less digits than its factorization.
30645294936 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1417268 (or 1417264 counting only the distinct ones).
The product of its (nonzero) digits is 4199040, while the sum is 51.
The spelling of 30645294936 in words is "thirty billion, six hundred forty-five million, two hundred ninety-four thousand, nine hundred thirty-six".
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