Base | Representation |
---|---|
bin | 10101100010110100… |
… | …111101111111000001 |
3 | 2012201011121112001121 |
4 | 111202310331333001 |
5 | 334334004422100 |
6 | 14343242032241 |
7 | 1446153212101 |
oct | 254264757701 |
9 | 65634545047 |
10 | 23132889025 |
11 | 98a0a04a04 |
12 | 45971a8681 |
13 | 224877991c |
14 | 1196401201 |
15 | 905d0e51a |
hex | 562d3dfc1 |
23132889025 has 27 divisors (see below), whose sum is σ = 30292888233. Its totient is φ = 17521344000.
The previous prime is 23132889023. The next prime is 23132889049. The reversal of 23132889025 is 52098823132.
The square root of 23132889025 is 152095.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 7235713969 + 15897175056 = 85063^2 + 126084^2 .
It is not a de Polignac number, because 23132889025 - 21 = 23132889023 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23132889023) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 14448225 + ... + 14449825.
Almost surely, 223132889025 is an apocalyptic number.
23132889025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
23132889025 is the 152095-th square number.
23132889025 is the 76048-th centered octagonal number.
It is an amenable number.
23132889025 is a deficient number, since it is larger than the sum of its proper divisors (7159999208).
23132889025 is an frugal number, since it uses more digits than its factorization.
23132889025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3250 (or 1625 counting only the distinct ones).
The product of its (nonzero) digits is 207360, while the sum is 43.
The spelling of 23132889025 in words is "twenty-three billion, one hundred thirty-two million, eight hundred eighty-nine thousand, twenty-five".
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