Base | Representation |
---|---|
bin | 11100100011101010… |
… | …111111011101101001 |
3 | 2221010222022011120211 |
4 | 130203222333131221 |
5 | 1000244242244000 |
6 | 22030403421121 |
7 | 2133602161510 |
oct | 344352773551 |
9 | 87128264524 |
10 | 30663243625 |
11 | 12005668863 |
12 | 5b390847a1 |
13 | 2b78905151 |
14 | 16ac575677 |
15 | be6e8a7ba |
hex | 723abf769 |
30663243625 has 64 divisors (see below), whose sum is σ = 44782133760. Its totient is φ = 20527776000.
The previous prime is 30663243607. The next prime is 30663243629. The reversal of 30663243625 is 52634236603.
It is not a de Polignac number, because 30663243625 - 219 = 30662719337 is a prime.
It is a super-2 number, since 2×306632436252 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30663243629) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7417059 + ... + 7421191.
It is an arithmetic number, because the mean of its divisors is an integer number (699720840).
Almost surely, 230663243625 is an apocalyptic number.
30663243625 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30663243625 is a deficient number, since it is larger than the sum of its proper divisors (14118890135).
30663243625 is a wasteful number, since it uses less digits than its factorization.
30663243625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4355 (or 4345 counting only the distinct ones).
The product of its (nonzero) digits is 466560, while the sum is 40.
The spelling of 30663243625 in words is "thirty billion, six hundred sixty-three million, two hundred forty-three thousand, six hundred twenty-five".
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