Base | Representation |
---|---|
bin | 1110001010011001100001… |
… | …10101001100001000010100 |
3 | 11002021022010220212111100010 |
4 | 13011030300311030020110 |
5 | 13040224122020103410 |
6 | 150123103525120220 |
7 | 6363024053432034 |
oct | 705146065141024 |
9 | 132238126774303 |
10 | 31143627112980 |
11 | 9a17a35657818 |
12 | 35aba15859070 |
13 | 144baa6880a75 |
14 | 799506a2b8c4 |
15 | 3901b58cbc20 |
hex | 1c5330d4c214 |
31143627112980 has 48 divisors (see below), whose sum is σ = 87203888017344. Its totient is φ = 8304802268160.
The previous prime is 31143627112963. The next prime is 31143627112991. The reversal of 31143627112980 is 8921172634113.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2094186 + ... + 8165345.
It is an arithmetic number, because the mean of its divisors is an integer number (1816747667028).
Almost surely, 231143627112980 is an apocalyptic number.
31143627112980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
31143627112980 is an abundant number, since it is smaller than the sum of its proper divisors (56060260904364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31143627112980 is a wasteful number, since it uses less digits than its factorization.
31143627112980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10310136 (or 10310134 counting only the distinct ones).
The product of its (nonzero) digits is 435456, while the sum is 48.
The spelling of 31143627112980 in words is "thirty-one trillion, one hundred forty-three billion, six hundred twenty-seven million, one hundred twelve thousand, nine hundred eighty".
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