Base | Representation |
---|---|
bin | 11100000010011011… |
… | …011010000101101010 |
3 | 2212201002211101020011 |
4 | 130002123122011222 |
5 | 443124002312000 |
6 | 21455201322134 |
7 | 2114020420624 |
oct | 340233320552 |
9 | 85632741204 |
10 | 30105510250 |
11 | 11849859492 |
12 | 5a0233634a |
13 | 2aba1b79ba |
14 | 1658471c14 |
15 | bb301b2ba |
hex | 7026da16a |
30105510250 has 64 divisors (see below), whose sum is σ = 57551319072. Its totient is φ = 11789568000.
The previous prime is 30105510233. The next prime is 30105510257. The reversal of 30105510250 is 5201550103.
It can be written as a sum of positive squares in 16 ways, for example, as 134629609 + 29970880641 = 11603^2 + 173121^2 .
It is not an unprimeable number, because it can be changed into a prime (30105510257) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2494230 + ... + 2506270.
Almost surely, 230105510250 is an apocalyptic number.
30105510250 is a deficient number, since it is larger than the sum of its proper divisors (27445808822).
30105510250 is a wasteful number, since it uses less digits than its factorization.
30105510250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12268 (or 12258 counting only the distinct ones).
The product of its (nonzero) digits is 750, while the sum is 22.
The spelling of 30105510250 in words is "thirty billion, one hundred five million, five hundred ten thousand, two hundred fifty".
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