Base | Representation |
---|---|
bin | 10101100010011101… |
… | …110111001101010000 |
3 | 2012200202012210022120 |
4 | 111202131313031100 |
5 | 334330432110302 |
6 | 14342504134240 |
7 | 1446050554020 |
oct | 254235671520 |
9 | 65622183276 |
10 | 23126831952 |
11 | 9898548164 |
12 | 4595167380 |
13 | 2247438963 |
14 | 11956a5a80 |
15 | 9055149bc |
hex | 562777350 |
23126831952 has 80 divisors (see below), whose sum is σ = 69944606592. Its totient is φ = 6446499840.
The previous prime is 23126831951. The next prime is 23126831963. The reversal of 23126831952 is 25913862132.
It is a super-2 number, since 2×231268319522 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23126831951) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 825613 + ... + 853164.
Almost surely, 223126831952 is an apocalyptic number.
It is an amenable number.
23126831952 is an abundant number, since it is smaller than the sum of its proper divisors (46817774640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23126831952 is a wasteful number, since it uses less digits than its factorization.
23126831952 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1678836 (or 1678830 counting only the distinct ones).
The product of its digits is 155520, while the sum is 42.
The spelling of 23126831952 in words is "twenty-three billion, one hundred twenty-six million, eight hundred thirty-one thousand, nine hundred fifty-two".
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