Base | Representation |
---|---|
bin | 11100011010011001… |
… | …001100010101011000 |
3 | 2220202010101210002101 |
4 | 130122121030111120 |
5 | 444434420122213 |
6 | 22003123213144 |
7 | 2130002114053 |
oct | 343231142530 |
9 | 86663353071 |
10 | 30507582808 |
11 | 11a3580a55a |
12 | 5ab4b171b4 |
13 | 2b525a3761 |
14 | 1695a15a9a |
15 | bd848dbdd |
hex | 71a64c558 |
30507582808 has 32 divisors (see below), whose sum is σ = 57437424000. Its totient is φ = 15191069440.
The previous prime is 30507582797. The next prime is 30507582823. The reversal of 30507582808 is 80828570503.
It is a congruent number.
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, 1942668 + ... + 1958308.
It is an arithmetic number, because the mean of its divisors is an integer number (1794919500).
Almost surely, 230507582808 is an apocalyptic number.
It is an amenable number.
30507582808 is a deficient number, since it is larger than the sum of its proper divisors (26929841192).
30507582808 is a wasteful number, since it uses less digits than its factorization.
30507582808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16635 (or 16631 counting only the distinct ones).
The product of its (nonzero) digits is 537600, while the sum is 46.
The spelling of 30507582808 in words is "thirty billion, five hundred seven million, five hundred eighty-two thousand, eight hundred eight".
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