Base | Representation |
---|---|
bin | 11001000101001110… |
… | …011000111101000100 |
3 | 2120111212210220112121 |
4 | 121011032120331010 |
5 | 420123342011113 |
6 | 20212205055324 |
7 | 1642244312320 |
oct | 310516307504 |
9 | 76455726477 |
10 | 26931203908 |
11 | 1046aa65114 |
12 | 5277257544 |
13 | 270267401b |
14 | 1436a54980 |
15 | a794e5e8d |
hex | 645398f44 |
26931203908 has 12 divisors (see below), whose sum is σ = 53862407872. Its totient is φ = 11541944520.
The previous prime is 26931203891. The next prime is 26931203963. The reversal of 26931203908 is 80930213962.
26931203908 is an admirable number.
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, 480914328 + ... + 480914383.
Almost surely, 226931203908 is an apocalyptic number.
26931203908 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
26931203908 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26931203908 is a wasteful number, since it uses less digits than its factorization.
26931203908 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 961828722 (or 961828720 counting only the distinct ones).
The product of its (nonzero) digits is 139968, while the sum is 43.
The spelling of 26931203908 in words is "twenty-six billion, nine hundred thirty-one million, two hundred three thousand, nine hundred eight".
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