Base | Representation |
---|---|
bin | 1011101010101010… |
… | …1010101101000100 |
3 | 22002020221020102211 |
4 | 2322222222231010 |
5 | 22403211402030 |
6 | 1234432113204 |
7 | 140415261064 |
oct | 27252525504 |
9 | 8066836384 |
10 | 3131747140 |
11 | 1367875a85 |
12 | 734995804 |
13 | 3aba92322 |
14 | 219cdd3a4 |
15 | 134e1a12a |
hex | baaaab44 |
3131747140 has 48 divisors (see below), whose sum is σ = 7081603200. Its totient is φ = 1159020032.
The previous prime is 3131747111. The next prime is 3131747153. The reversal of 3131747140 is 417471313.
3131747140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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, 58000 + ... + 98119.
It is an arithmetic number, because the mean of its divisors is an integer number (147533400).
Almost surely, 23131747140 is an apocalyptic number.
It is an amenable number.
3131747140 is an abundant number, since it is smaller than the sum of its proper divisors (3949856060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3131747140 is a wasteful number, since it uses less digits than its factorization.
3131747140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 156204 (or 156202 counting only the distinct ones).
The product of its (nonzero) digits is 7056, while the sum is 31.
The square root of 3131747140 is about 55962.0151531376. The cubic root of 3131747140 is about 1463.0603131258.
The spelling of 3131747140 in words is "three billion, one hundred thirty-one million, seven hundred forty-seven thousand, one hundred forty".
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