Base | Representation |
---|---|
bin | 10101110110010001… |
… | …111101010111100100 |
3 | 2020112220201200002012 |
4 | 111312101331113210 |
5 | 341021032141110 |
6 | 14435501133352 |
7 | 1460225245502 |
oct | 256621752744 |
9 | 66486650065 |
10 | 23459255780 |
11 | 9a491580a4 |
12 | 466855a258 |
13 | 229b279a4c |
14 | 11c78b9672 |
15 | 9247ca905 |
hex | 57647d5e4 |
23459255780 has 24 divisors (see below), whose sum is σ = 50595910008. Its totient is φ = 9130088448.
The previous prime is 23459255779. The next prime is 23459255801. The reversal of 23459255780 is 8755295432.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 3225331264 + 20233924516 = 56792^2 + 142246^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15850109 + ... + 15851588.
It is an arithmetic number, because the mean of its divisors is an integer number (2108162917).
Almost surely, 223459255780 is an apocalyptic number.
23459255780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23459255780 is an abundant number, since it is smaller than the sum of its proper divisors (27136654228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23459255780 is a wasteful number, since it uses less digits than its factorization.
23459255780 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31701743 (or 31701741 counting only the distinct ones).
The product of its (nonzero) digits is 3024000, while the sum is 50.
The spelling of 23459255780 in words is "twenty-three billion, four hundred fifty-nine million, two hundred fifty-five thousand, seven hundred eighty".
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