Base | Representation |
---|---|
bin | 10101100010101101… |
… | …111000000111010110 |
3 | 2012201001010001220212 |
4 | 111202231320013112 |
5 | 334333020424344 |
6 | 14343134125422 |
7 | 1446131340113 |
oct | 254255700726 |
9 | 65631101825 |
10 | 23131029974 |
11 | 989a9551a8 |
12 | 4596650872 |
13 | 22482786b0 |
14 | 119607990a |
15 | 905a9379e |
hex | 562b781d6 |
23131029974 has 24 divisors (see below), whose sum is σ = 39692786448. Its totient is φ = 10047864960.
The previous prime is 23131029959. The next prime is 23131029997. The reversal of 23131029974 is 47992013132.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1531682 + ... + 1546709.
It is an arithmetic number, because the mean of its divisors is an integer number (1653866102).
Almost surely, 223131029974 is an apocalyptic number.
23131029974 is a deficient number, since it is larger than the sum of its proper divisors (16561756474).
23131029974 is a wasteful number, since it uses less digits than its factorization.
23131029974 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3078440 (or 3078423 counting only the distinct ones).
The product of its (nonzero) digits is 81648, while the sum is 41.
The spelling of 23131029974 in words is "twenty-three billion, one hundred thirty-one million, twenty-nine thousand, nine hundred seventy-four".
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