Base | Representation |
---|---|
bin | 1110100000010001001100… |
… | …01111100000010011110000 |
3 | 11011221010202011212020112210 |
4 | 13100020212033200103300 |
5 | 13140032100044120200 |
6 | 151500220423052120 |
7 | 6501225352033041 |
oct | 720104617402360 |
9 | 134833664766483 |
10 | 31895068738800 |
11 | a187693889263 |
12 | 36b1589ba1040 |
13 | 14a48cc651a47 |
14 | 7c3a2dccc8c8 |
15 | 3a49e5b92650 |
hex | 1d02263e04f0 |
31895068738800 has 120 divisors (see below), whose sum is σ = 102378625384320. Its totient is φ = 8488028998400.
The previous prime is 31895068738763. The next prime is 31895068738801. The reversal of 31895068738800 is 883786059813.
It is a tau number, because it is divible by the number of its divisors (120).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31895068738801) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26477220 + ... + 27655619.
It is an arithmetic number, because the mean of its divisors is an integer number (853155211536).
Almost surely, 231895068738800 is an apocalyptic number.
31895068738800 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
31895068738800 is an abundant number, since it is smaller than the sum of its proper divisors (70483556645520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31895068738800 is a wasteful number, since it uses less digits than its factorization.
31895068738800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54133351 (or 54133340 counting only the distinct ones).
The product of its (nonzero) digits is 69672960, while the sum is 66.
The spelling of 31895068738800 in words is "thirty-one trillion, eight hundred ninety-five billion, sixty-eight million, seven hundred thirty-eight thousand, eight hundred".
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