Base | Representation |
---|---|
bin | 11101100110111101… |
… | …001100111111010100 |
3 | 10001001122102120012021 |
4 | 131212331030333110 |
5 | 1010102233403332 |
6 | 22334410502524 |
7 | 2203560213136 |
oct | 354675147724 |
9 | 101048376167 |
10 | 31792091092 |
11 | 12534896653 |
12 | 61b3134a44 |
13 | 2cc8746328 |
14 | 1778463056 |
15 | c6111dc97 |
hex | 766f4cfd4 |
31792091092 has 12 divisors (see below), whose sum is σ = 55646033940. Its totient is φ = 15893224256.
The previous prime is 31792091077. The next prime is 31792091099. The reversal of 31792091092 is 29019029713.
It can be written as a sum of positive squares in 2 ways, for example, as 5991379216 + 25800711876 = 77404^2 + 160626^2 .
It is a super-3 number, since 3×317920910923 (a number of 32 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31792091099) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 679867 + ... + 725122.
It is an arithmetic number, because the mean of its divisors is an integer number (4637169495).
Almost surely, 231792091092 is an apocalyptic number.
It is an amenable number.
31792091092 is a deficient number, since it is larger than the sum of its proper divisors (23853942848).
31792091092 is a wasteful number, since it uses less digits than its factorization.
31792091092 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1410650 (or 1410648 counting only the distinct ones).
The product of its (nonzero) digits is 61236, while the sum is 43.
The spelling of 31792091092 in words is "thirty-one billion, seven hundred ninety-two million, ninety-one thousand, ninety-two".
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