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23132889025 = 5219216012
BaseRepresentation
bin10101100010110100…
…111101111111000001
32012201011121112001121
4111202310331333001
5334334004422100
614343242032241
71446153212101
oct254264757701
965634545047
1023132889025
1198a0a04a04
1245971a8681
13224877991c
141196401201
15905d0e51a
hex562d3dfc1

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".

Divisors: 1 5 19 25 95 361 475 1601 1805 8005 9025 30419 40025 152095 577961 760475 2563201 2889805 12816005 14449025 48700819 64080025 243504095 925315561 1217520475 4626577805 23132889025