Base | Representation |
---|---|
bin | 10101111000111110… |
… | …101000001101011001 |
3 | 2020200001220022221201 |
4 | 111320332220031121 |
5 | 341114124120100 |
6 | 14444155234201 |
7 | 1461315060310 |
oct | 257076501531 |
9 | 66601808851 |
10 | 23504520025 |
11 | 9a71763868 |
12 | 467b748961 |
13 | 22a776771c |
14 | 11cd8dd277 |
15 | 92876c36a |
hex | 578fa8359 |
23504520025 has 24 divisors (see below), whose sum is σ = 35268635520. Its totient is φ = 15169301760.
The previous prime is 23504519993. The next prime is 23504520031. The reversal of 23504520025 is 52002540532.
It is not a de Polignac number, because 23504520025 - 25 = 23504519993 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 23504519975 and 23504520002.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 3947365 + ... + 3953314.
It is an arithmetic number, because the mean of its divisors is an integer number (1469526480).
Almost surely, 223504520025 is an apocalyptic number.
23504520025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
23504520025 is a deficient number, since it is larger than the sum of its proper divisors (11764115495).
23504520025 is a wasteful number, since it uses less digits than its factorization.
23504520025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7900713 (or 7900708 counting only the distinct ones).
The product of its (nonzero) digits is 12000, while the sum is 28.
The spelling of 23504520025 in words is "twenty-three billion, five hundred four million, five hundred twenty thousand, twenty-five".
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