Base | Representation |
---|---|
bin | 11101001111110100… |
… | …111101000101110111 |
3 | 10000001121021011210201 |
4 | 131033310331011313 |
5 | 1003303414142410 |
6 | 22232105501331 |
7 | 2161136021260 |
oct | 351764750567 |
9 | 100047234721 |
10 | 31404052855 |
11 | 1235585079a |
12 | 61051a1847 |
13 | 2c662324c6 |
14 | 173cad3967 |
15 | c3c01e83a |
hex | 74fd3d177 |
31404052855 has 16 divisors (see below), whose sum is σ = 43136699904. Its totient is φ = 21500065440.
The previous prime is 31404052837. The next prime is 31404052871. The reversal of 31404052855 is 55825040413.
It is not a de Polignac number, because 31404052855 - 213 = 31404044663 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 688897 + ... + 733066.
It is an arithmetic number, because the mean of its divisors is an integer number (2696043744).
Almost surely, 231404052855 is an apocalyptic number.
31404052855 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
31404052855 is a deficient number, since it is larger than the sum of its proper divisors (11732647049).
31404052855 is a wasteful number, since it uses less digits than its factorization.
31404052855 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1422606.
The product of its (nonzero) digits is 96000, while the sum is 37.
The spelling of 31404052855 in words is "thirty-one billion, four hundred four million, fifty-two thousand, eight hundred fifty-five".
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