Base | Representation |
---|---|
bin | 1110000010101111000011… |
… | …10010010010100110110000 |
3 | 11001100010110202101221122102 |
4 | 13001113201302102212300 |
5 | 13021420332313313302 |
6 | 145402115001355532 |
7 | 6335012550444251 |
oct | 701274162224660 |
9 | 131303422357572 |
10 | 30880307947952 |
11 | 99262a0874771 |
12 | 3568988798ba8 |
13 | 1430001272048 |
14 | 78a88732cb28 |
15 | 388403618702 |
hex | 1c15e1c929b0 |
30880307947952 has 40 divisors (see below), whose sum is σ = 61415135663376. Its totient is φ = 15033506132736.
The previous prime is 30880307947943. The next prime is 30880307947997. The reversal of 30880307947952 is 25974970308803.
It is a super-2 number, since 2×308803079479522 (a number of 28 digits) contains 22 as substring.
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, 70577123 + ... + 71013314.
Almost surely, 230880307947952 is an apocalyptic number.
It is an amenable number.
30880307947952 is a deficient number, since it is larger than the sum of its proper divisors (30534827715424).
30880307947952 is a wasteful number, since it uses less digits than its factorization.
30880307947952 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141590805 (or 141590799 counting only the distinct ones).
The product of its (nonzero) digits is 91445760, while the sum is 65.
The spelling of 30880307947952 in words is "thirty trillion, eight hundred eighty billion, three hundred seven million, nine hundred forty-seven thousand, nine hundred fifty-two".
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