Base | Representation |
---|---|
bin | 11100111110100101… |
… | …110100111110100000 |
3 | 2222022110010102001210 |
4 | 130332211310332200 |
5 | 1002210401443114 |
6 | 22143255430120 |
7 | 2151025033440 |
oct | 347645647640 |
9 | 88273112053 |
10 | 31114874784 |
11 | 12217598a54 |
12 | 6044385340 |
13 | 2c1b353416 |
14 | 171253a120 |
15 | c2194c259 |
hex | 73e974fa0 |
31114874784 has 96 divisors (see below), whose sum is σ = 98835520896. Its totient is φ = 8367022080.
The previous prime is 31114874761. The next prime is 31114874797. The reversal of 31114874784 is 48747841113.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a nude number because it is divisible by every one of its digits.
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, 1350397 + ... + 1373244.
It is an arithmetic number, because the mean of its divisors is an integer number (1029536676).
Almost surely, 231114874784 is an apocalyptic number.
31114874784 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
It is an amenable number.
31114874784 is an abundant number, since it is smaller than the sum of its proper divisors (67720646112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31114874784 is a wasteful number, since it uses less digits than its factorization.
31114874784 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2723678 (or 2723670 counting only the distinct ones).
The product of its digits is 602112, while the sum is 48.
The spelling of 31114874784 in words is "thirty-one billion, one hundred fourteen million, eight hundred seventy-four thousand, seven hundred eighty-four".
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