Base | Representation |
---|---|
bin | 11100100010001011… |
… | …100110101001001100 |
3 | 2221002020020202201002 |
4 | 130202023212221030 |
5 | 1000221342111114 |
6 | 22024111435432 |
7 | 2133146504603 |
oct | 344213465114 |
9 | 87066222632 |
10 | 30638238284 |
11 | 11aa2539995 |
12 | 5b30825b78 |
13 | 2b7368b6a4 |
14 | 16a9106a3a |
15 | be4b9b7de |
hex | 7222e6a4c |
30638238284 has 12 divisors (see below), whose sum is σ = 53634030744. Its totient is φ = 15314229504.
The previous prime is 30638238271. The next prime is 30638238347. The reversal of 30638238284 is 48283283603.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1208294 + ... + 1233389.
It is an arithmetic number, because the mean of its divisors is an integer number (4469502562).
Almost surely, 230638238284 is an apocalyptic number.
It is an amenable number.
30638238284 is a deficient number, since it is larger than the sum of its proper divisors (22995792460).
30638238284 is a wasteful number, since it uses less digits than its factorization.
30638238284 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2444824 (or 2444822 counting only the distinct ones).
The product of its (nonzero) digits is 1327104, while the sum is 47.
The spelling of 30638238284 in words is "thirty billion, six hundred thirty-eight million, two hundred thirty-eight thousand, two hundred eighty-four".
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