Base | Representation |
---|---|
bin | 11100100001110001… |
… | …101111100000101100 |
3 | 2221001202111100002022 |
4 | 130201301233200230 |
5 | 1000213123140420 |
6 | 22023310245312 |
7 | 2133035050532 |
oct | 344161574054 |
9 | 87052440068 |
10 | 30631458860 |
11 | 11a99729462 |
12 | 5b2a4b6838 |
13 | 2b721569b2 |
14 | 16a8260152 |
15 | be42acc25 |
hex | 721c6f82c |
30631458860 has 24 divisors (see below), whose sum is σ = 64337680176. Its totient is φ = 12250370880.
The previous prime is 30631458859. The next prime is 30631458881. The reversal of 30631458860 is 6885413603.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22406 + ... + 248525.
It is an arithmetic number, because the mean of its divisors is an integer number (2680736674).
Almost surely, 230631458860 is an apocalyptic number.
It is an amenable number.
30631458860 is an abundant number, since it is smaller than the sum of its proper divisors (33706221316).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30631458860 is a wasteful number, since it uses less digits than its factorization.
30631458860 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 276593 (or 276591 counting only the distinct ones).
The product of its (nonzero) digits is 414720, while the sum is 44.
The spelling of 30631458860 in words is "thirty billion, six hundred thirty-one million, four hundred fifty-eight thousand, eight hundred sixty".
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