Base | Representation |
---|---|
bin | 1011110110011001… |
… | …0010100000000000 |
3 | 22012200111001002221 |
4 | 2331212102200000 |
5 | 23003304243242 |
6 | 1243350220424 |
7 | 141553316344 |
oct | 27546224000 |
9 | 8180431087 |
10 | 3180931072 |
11 | 1392609660 |
12 | 749354714 |
13 | 3b9023147 |
14 | 222663624 |
15 | 1393d3167 |
hex | bd992800 |
3180931072 has 48 divisors (see below), whose sum is σ = 6938568000. Its totient is φ = 1445867520.
The previous prime is 3180931069. The next prime is 3180931097. The reversal of 3180931072 is 2701390813.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48072 + ... + 93127.
It is an arithmetic number, because the mean of its divisors is an integer number (144553500).
Almost surely, 23180931072 is an apocalyptic number.
3180931072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
3180931072 is an abundant number, since it is smaller than the sum of its proper divisors (3757636928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3180931072 is a wasteful number, since it uses less digits than its factorization.
3180931072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141232 (or 141212 counting only the distinct ones).
The product of its (nonzero) digits is 9072, while the sum is 34.
The square root of 3180931072 is about 56399.7435455162. The cubic root of 3180931072 is about 1470.6796604097.
The spelling of 3180931072 in words is "three billion, one hundred eighty million, nine hundred thirty-one thousand, seventy-two".
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