Base | Representation |
---|---|
bin | 1011101010011111… |
… | …0100110010001000 |
3 | 22002012112101021202 |
4 | 2322213310302020 |
5 | 22403014030432 |
6 | 1234404123332 |
7 | 140406035456 |
oct | 27247646210 |
9 | 8065471252 |
10 | 3131001992 |
11 | 1367407158 |
12 | 734696548 |
13 | 3ab891101 |
14 | 219b879d6 |
15 | 134d1e462 |
hex | ba9f4c88 |
3131001992 has 16 divisors (see below), whose sum is σ = 5898454800. Its totient is φ = 1558080720.
The previous prime is 3131001889. The next prime is 3131002019. The reversal of 3131001992 is 2991001313.
3131001992 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 3 ways as a sum of consecutive naturals, for example, 925742 + ... + 929117.
It is an arithmetic number, because the mean of its divisors is an integer number (368653425).
Almost surely, 23131001992 is an apocalyptic number.
It is an amenable number.
3131001992 is a deficient number, since it is larger than the sum of its proper divisors (2767452808).
3131001992 is a wasteful number, since it uses less digits than its factorization.
3131001992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1855076 (or 1855072 counting only the distinct ones).
The product of its (nonzero) digits is 1458, while the sum is 29.
The square root of 3131001992 is about 55955.3571340582. The cubic root of 3131001992 is about 1462.9442668324.
The spelling of 3131001992 in words is "three billion, one hundred thirty-one million, one thousand, nine hundred ninety-two".
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