Base | Representation |
---|---|
bin | 1011101001000010… |
… | …1010100100111000 |
3 | 22001210002221021110 |
4 | 2322100222210320 |
5 | 22344440241442 |
6 | 1234030040320 |
7 | 140303321430 |
oct | 27220524470 |
9 | 8053087243 |
10 | 3124930872 |
11 | 1363a3a8a8 |
12 | 7326490a0 |
13 | 3aa54692b |
14 | 2190472c0 |
15 | 13452069c |
hex | ba42a938 |
3124930872 has 32 divisors (see below), whose sum is σ = 8928374400. Its totient is φ = 892837344.
The previous prime is 3124930859. The next prime is 3124930883. The reversal of 3124930872 is 2780394213.
It is a self number, because there is not a number n which added to its sum of digits gives 3124930872.
It is a congruent number.
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, 9300222 + ... + 9300557.
It is an arithmetic number, because the mean of its divisors is an integer number (279011700).
Almost surely, 23124930872 is an apocalyptic number.
It is an amenable number.
3124930872 is an abundant number, since it is smaller than the sum of its proper divisors (5803443528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3124930872 is a wasteful number, since it uses less digits than its factorization.
3124930872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18600795 (or 18600791 counting only the distinct ones).
The product of its (nonzero) digits is 72576, while the sum is 39.
The square root of 3124930872 is about 55901.0811344468. The cubic root of 3124930872 is about 1461.9980886804.
The spelling of 3124930872 in words is "three billion, one hundred twenty-four million, nine hundred thirty thousand, eight hundred seventy-two".
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