Base | Representation |
---|---|
bin | 10101011110010101… |
… | …111011011000010001 |
3 | 2012111221000121221201 |
4 | 111132111323120101 |
5 | 334210224034100 |
6 | 14331553151201 |
7 | 1444250506024 |
oct | 253625733021 |
9 | 65457017851 |
10 | 23057643025 |
11 | 986249052a |
12 | 4575b5b501 |
13 | 2235cc2371 |
14 | 118a4151bb |
15 | 8ee3e936a |
hex | 55e57b611 |
23057643025 has 6 divisors (see below), whose sum is σ = 28591477382. Its totient is φ = 18446114400.
The previous prime is 23057643023. The next prime is 23057643041. The reversal of 23057643025 is 52034675032.
It can be written as a sum of positive squares in 3 ways, for example, as 242144721 + 22815498304 = 15561^2 + 151048^2 .
It is not a de Polignac number, because 23057643025 - 21 = 23057643023 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23057643023) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 461152836 + ... + 461152885.
Almost surely, 223057643025 is an apocalyptic number.
23057643025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
23057643025 is a deficient number, since it is larger than the sum of its proper divisors (5533834357).
23057643025 is an equidigital number, since it uses as much as digits as its factorization.
23057643025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 922305731 (or 922305726 counting only the distinct ones).
The product of its (nonzero) digits is 151200, while the sum is 37.
The spelling of 23057643025 in words is "twenty-three billion, fifty-seven million, six hundred forty-three thousand, twenty-five".
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