Base | Representation |
---|---|
bin | 11101010101101100… |
… | …001011000100100000 |
3 | 10000022110100110002020 |
4 | 131111230023010200 |
5 | 1004004104222422 |
6 | 22245542021440 |
7 | 2163442046631 |
oct | 352554130440 |
9 | 100273313066 |
10 | 31502414112 |
11 | 123a6322a94 |
12 | 6132117880 |
13 | 2c80721130 |
14 | 174bbb9888 |
15 | c4599d95c |
hex | 755b0b120 |
31502414112 has 48 divisors (see below), whose sum is σ = 89054904960. Its totient is φ = 9693050112.
The previous prime is 31502414107. The next prime is 31502414123. The reversal of 31502414112 is 21141420513.
It is a tau number, because it is divible by the number of its divisors (48).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12619912 + ... + 12622407.
It is an arithmetic number, because the mean of its divisors is an integer number (1855310520).
Almost surely, 231502414112 is an apocalyptic number.
31502414112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
31502414112 is an abundant number, since it is smaller than the sum of its proper divisors (57552490848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31502414112 is a wasteful number, since it uses less digits than its factorization.
31502414112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25242345 (or 25242337 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 24.
Adding to 31502414112 its reverse (21141420513), we get a palindrome (52643834625).
The spelling of 31502414112 in words is "thirty-one billion, five hundred two million, four hundred fourteen thousand, one hundred twelve".
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