Base | Representation |
---|---|
bin | 11100010011010110… |
… | …110100111101000111 |
3 | 2220102220020200110000 |
4 | 130103112310331013 |
5 | 444214204202442 |
6 | 21543304532343 |
7 | 2124036451140 |
oct | 342326647507 |
9 | 86386220400 |
10 | 30389522247 |
11 | 11985102947 |
12 | 5a814810b3 |
13 | 2b33ca8536 |
14 | 1684082ac7 |
15 | bcce1cd4c |
hex | 7135b4f47 |
30389522247 has 30 divisors (see below), whose sum is σ = 51889023384. Its totient is φ = 17363069280.
The previous prime is 30389522237. The next prime is 30389522297. The reversal of 30389522247 is 74222598303.
30389522247 is a `hidden beast` number, since 3 + 0 + 3 + 89 + 522 + 2 + 47 = 666.
It is not a de Polignac number, because 30389522247 - 216 = 30389456711 is a prime.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30389522227) by changing a digit.
It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 4147347 + ... + 4154667.
Almost surely, 230389522247 is an apocalyptic number.
30389522247 is a deficient number, since it is larger than the sum of its proper divisors (21499501137).
30389522247 is an frugal number, since it uses more digits than its factorization.
30389522247 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14661 (or 7331 counting only the distinct ones).
The product of its (nonzero) digits is 725760, while the sum is 45.
The spelling of 30389522247 in words is "thirty billion, three hundred eighty-nine million, five hundred twenty-two thousand, two hundred forty-seven".
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