Base | Representation |
---|---|
bin | 1101111101101100101011… |
… | …01100100101011010101000 |
3 | 11000201120201211202222021002 |
4 | 12332312111230211122220 |
5 | 13011101403032120010 |
6 | 145150412530134132 |
7 | 6316344565156043 |
oct | 676662554453250 |
9 | 130646654688232 |
10 | 30707232691880 |
11 | 9869956356158 |
12 | 353b326121348 |
13 | 14198ab174714 |
14 | 78234909dc5a |
15 | 383b73d111a5 |
hex | 1bed95b256a8 |
30707232691880 has 64 divisors (see below), whose sum is σ = 72233621683200. Its totient is φ = 11726303480320.
The previous prime is 30707232691841. The next prime is 30707232691909. The reversal of 30707232691880 is 8819623270703.
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, 31552760 + ... + 32511399.
It is an arithmetic number, because the mean of its divisors is an integer number (1128650338800).
Almost surely, 230707232691880 is an apocalyptic number.
It is an amenable number.
30707232691880 is an abundant number, since it is smaller than the sum of its proper divisors (41526388991320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30707232691880 is a wasteful number, since it uses less digits than its factorization.
30707232691880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64064714 (or 64064710 counting only the distinct ones).
The product of its (nonzero) digits is 6096384, while the sum is 56.
The spelling of 30707232691880 in words is "thirty trillion, seven hundred seven billion, two hundred thirty-two million, six hundred ninety-one thousand, eight hundred eighty".
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