Base | Representation |
---|---|
bin | 11100111110001011… |
… | …101000101000101000 |
3 | 2222021222012120021112 |
4 | 130332023220220220 |
5 | 1002202122232423 |
6 | 22142452325452 |
7 | 2150612465204 |
oct | 347613505050 |
9 | 88258176245 |
10 | 31108008488 |
11 | 12213729227 |
12 | 6042013888 |
13 | 2c19abb01b |
14 | 171166db04 |
15 | c21042a78 |
hex | 73e2e8a28 |
31108008488 has 16 divisors (see below), whose sum is σ = 58474442580. Its totient is φ = 15514823808.
The previous prime is 31108008473. The next prime is 31108008493. The reversal of 31108008488 is 88480080113.
It can be written as a sum of positive squares in 2 ways, for example, as 30221040964 + 886967524 = 173842^2 + 29782^2 .
It is a super-2 number, since 2×311080084882 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4894181 + ... + 4900532.
Almost surely, 231108008488 is an apocalyptic number.
It is an amenable number.
31108008488 is a deficient number, since it is larger than the sum of its proper divisors (27366434092).
31108008488 is a wasteful number, since it uses less digits than its factorization.
31108008488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9795116 (or 9795112 counting only the distinct ones).
The product of its (nonzero) digits is 49152, while the sum is 41.
The spelling of 31108008488 in words is "thirty-one billion, one hundred eight million, eight thousand, four hundred eighty-eight".
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