Base | Representation |
---|---|
bin | 11101010101110100… |
… | …001011110001001100 |
3 | 10000022121022010202110 |
4 | 131111310023301030 |
5 | 1004010123422444 |
6 | 22250055024020 |
7 | 2163465644256 |
oct | 352564136114 |
9 | 100277263673 |
10 | 31504514124 |
11 | 123a7527836 |
12 | 613296b010 |
13 | 2c80ca7c45 |
14 | 174c1a4cd6 |
15 | c45c65cb9 |
hex | 755d0bc4c |
31504514124 has 24 divisors (see below), whose sum is σ = 76045379760. Its totient is φ = 10139383744.
The previous prime is 31504514089. The next prime is 31504514147. The reversal of 31504514124 is 42141540513.
It is a junction number, because it is equal to n+sod(n) for n = 31504514091 and 31504514100.
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, 45264759 + ... + 45265454.
It is an arithmetic number, because the mean of its divisors is an integer number (3168557490).
Almost surely, 231504514124 is an apocalyptic number.
It is an amenable number.
31504514124 is an abundant number, since it is smaller than the sum of its proper divisors (44540865636).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31504514124 is a wasteful number, since it uses less digits than its factorization.
31504514124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90530249 (or 90530247 counting only the distinct ones).
The product of its (nonzero) digits is 9600, while the sum is 30.
The spelling of 31504514124 in words is "thirty-one billion, five hundred four million, five hundred fourteen thousand, one hundred twenty-four".
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