Base | Representation |
---|---|
bin | 11100101111011001… |
… | …010010110000100000 |
3 | 2221122200101220110200 |
4 | 130233121102300200 |
5 | 1001200120240111 |
6 | 22102111225200 |
7 | 2141511040212 |
oct | 345731226040 |
9 | 87580356420 |
10 | 30859930656 |
11 | 120a6698725 |
12 | 5b92b18200 |
13 | 2baa59c4c9 |
14 | 16ca7345b2 |
15 | c0938d256 |
hex | 72f652c20 |
30859930656 has 72 divisors (see below), whose sum is σ = 87780383964. Its totient is φ = 10284011520.
The previous prime is 30859930639. The next prime is 30859930667. The reversal of 30859930656 is 65603995803.
It can be written as a sum of positive squares in 2 ways, for example, as 27252727056 + 3607203600 = 165084^2 + 60060^2 .
It is a tau number, because it is divible by the number of its divisors (72).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1348300 + ... + 1370996.
Almost surely, 230859930656 is an apocalyptic number.
30859930656 is a gapful number since it is divisible by the number (36) formed by its first and last digit.
It is an amenable number.
30859930656 is an abundant number, since it is smaller than the sum of its proper divisors (56920453308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30859930656 is a wasteful number, since it uses less digits than its factorization.
30859930656 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27434 (or 27423 counting only the distinct ones).
The product of its (nonzero) digits is 5248800, while the sum is 54.
The spelling of 30859930656 in words is "thirty billion, eight hundred fifty-nine million, nine hundred thirty thousand, six hundred fifty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.086 sec. • engine limits •