Base | Representation |
---|---|
bin | 11100110111011011… |
… | …000110100000000000 |
3 | 2222000001211221220011 |
4 | 130313123012200000 |
5 | 1001434110404324 |
6 | 22123322154304 |
7 | 2145034641541 |
oct | 346733064000 |
9 | 88001757804 |
10 | 30994622464 |
11 | 12165724673 |
12 | 6010052994 |
13 | 2bcc46b6c0 |
14 | 17005964c8 |
15 | c160e6c94 |
hex | 7376c6800 |
30994622464 has 96 divisors (see below), whose sum is σ = 66905485920. Its totient is φ = 14270054400.
The previous prime is 30994622429. The next prime is 30994622497. The reversal of 30994622464 is 46422649903.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13071199 + ... + 13073569.
It is an arithmetic number, because the mean of its divisors is an integer number (696932145).
Almost surely, 230994622464 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30994622464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33452742960).
30994622464 is an abundant number, since it is smaller than the sum of its proper divisors (35910863456).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30994622464 is a wasteful number, since it uses less digits than its factorization.
30994622464 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2897 (or 2877 counting only the distinct ones).
The product of its (nonzero) digits is 2239488, while the sum is 49.
The spelling of 30994622464 in words is "thirty billion, nine hundred ninety-four million, six hundred twenty-two thousand, four hundred sixty-four".
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