Base | Representation |
---|---|
bin | 10101100010101111… |
… | …100011110000110111 |
3 | 2012201001221110202120 |
4 | 111202233203300313 |
5 | 334333124032103 |
6 | 14343151411023 |
7 | 1446135154452 |
oct | 254257436067 |
9 | 65631843676 |
10 | 23131470903 |
11 | 98a0126502 |
12 | 4596823a73 |
13 | 22483a12b8 |
14 | 1196152499 |
15 | 905b2e253 |
hex | 562be3c37 |
23131470903 has 32 divisors (see below), whose sum is σ = 34390540800. Its totient is φ = 13743737856.
The previous prime is 23131470881. The next prime is 23131470913. The reversal of 23131470903 is 30907413132.
It is not a de Polignac number, because 23131470903 - 25 = 23131470871 is a prime.
It is a super-2 number, since 2×231314709032 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23131470913) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2979675 + ... + 2987427.
It is an arithmetic number, because the mean of its divisors is an integer number (1074704400).
Almost surely, 223131470903 is an apocalyptic number.
23131470903 is a deficient number, since it is larger than the sum of its proper divisors (11259069897).
23131470903 is a wasteful number, since it uses less digits than its factorization.
23131470903 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10871.
The product of its (nonzero) digits is 13608, while the sum is 33.
The spelling of 23131470903 in words is "twenty-three billion, one hundred thirty-one million, four hundred seventy thousand, nine hundred three".
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