Base | Representation |
---|---|
bin | 11100110000111101… |
… | …000010000000101001 |
3 | 2221201111121020202200 |
4 | 130300331002000221 |
5 | 1001223313421312 |
6 | 22104443450413 |
7 | 2142246214065 |
oct | 346075020051 |
9 | 87644536680 |
10 | 30886076457 |
11 | 1210a426425 |
12 | 5b9b826a09 |
13 | 2bb2b250b2 |
14 | 16cddbcaa5 |
15 | c0b8050dc |
hex | 730f42029 |
30886076457 has 24 divisors (see below), whose sum is σ = 46064299008. Its totient is φ = 19921334400.
The previous prime is 30886076453. The next prime is 30886076479. The reversal of 30886076457 is 75467068803.
It is not a de Polignac number, because 30886076457 - 22 = 30886076453 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30886076453) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1268833 + ... + 1292945.
It is an arithmetic number, because the mean of its divisors is an integer number (1919345792).
Almost surely, 230886076457 is an apocalyptic number.
It is an amenable number.
30886076457 is a deficient number, since it is larger than the sum of its proper divisors (15178222551).
30886076457 is a wasteful number, since it uses less digits than its factorization.
30886076457 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28741 (or 28738 counting only the distinct ones).
The product of its (nonzero) digits is 6773760, while the sum is 54.
The spelling of 30886076457 in words is "thirty billion, eight hundred eighty-six million, seventy-six thousand, four hundred fifty-seven".
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