Base | Representation |
---|---|
bin | 11101101111101111… |
… | …011000011011011010 |
3 | 10001102220201211021102 |
4 | 131233233120123122 |
5 | 1010403000302444 |
6 | 22401153311402 |
7 | 2210326645364 |
oct | 355757303332 |
9 | 101386654242 |
10 | 31939462874 |
11 | 125aaaa3210 |
12 | 6234565562 |
13 | 3020134b77 |
14 | 178dc65d34 |
15 | c6e02e84e |
hex | 76fbd86da |
31939462874 has 16 divisors (see below), whose sum is σ = 53950530816. Its totient is φ = 14049616800.
The previous prime is 31939462853. The next prime is 31939462903. The reversal of 31939462874 is 47826493913.
It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 23415347 + ... + 23416710.
It is an arithmetic number, because the mean of its divisors is an integer number (3371908176).
Almost surely, 231939462874 is an apocalyptic number.
31939462874 is a deficient number, since it is larger than the sum of its proper divisors (22011067942).
31939462874 is a wasteful number, since it uses less digits than its factorization.
31939462874 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46832101.
The product of its digits is 7838208, while the sum is 56.
The spelling of 31939462874 in words is "thirty-one billion, nine hundred thirty-nine million, four hundred sixty-two thousand, eight hundred seventy-four".
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