Base | Representation |
---|---|
bin | 10111000010101111… |
… | …00111111001100011 |
3 | 1011221011012221221200 |
4 | 23201113213321203 |
5 | 200313434012211 |
6 | 5403321252243 |
7 | 615364526052 |
oct | 134127477143 |
9 | 34834187850 |
10 | 12371000931 |
11 | 5279120113 |
12 | 2493034083 |
13 | 1221c918c3 |
14 | 854dd4399 |
15 | 4c6106b56 |
hex | 2e15e7e63 |
12371000931 has 24 divisors (see below), whose sum is σ = 18493859280. Its totient is φ = 7959301056.
The previous prime is 12371000927. The next prime is 12371000959. The reversal of 12371000931 is 13900017321.
It is not a de Polignac number, because 12371000931 - 22 = 12371000927 is a prime.
It is a super-2 number, since 2×123710009312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12371000895 and 12371000904.
It is not an unprimeable number, because it can be changed into a prime (12371000911) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 634281 + ... + 653493.
It is an arithmetic number, because the mean of its divisors is an integer number (770577470).
Almost surely, 212371000931 is an apocalyptic number.
12371000931 is a deficient number, since it is larger than the sum of its proper divisors (6122858349).
12371000931 is a wasteful number, since it uses less digits than its factorization.
12371000931 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21715 (or 21712 counting only the distinct ones).
The product of its (nonzero) digits is 1134, while the sum is 27.
The spelling of 12371000931 in words is "twelve billion, three hundred seventy-one million, nine hundred thirty-one", and thus it is an aban number.
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