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23504520025 = 527177900679
BaseRepresentation
bin10101111000111110…
…101000001101011001
32020200001220022221201
4111320332220031121
5341114124120100
614444155234201
71461315060310
oct257076501531
966601808851
1023504520025
119a71763868
12467b748961
1322a776771c
1411cd8dd277
1592876c36a
hex578fa8359

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".

Divisors: 1 5 7 17 25 35 85 119 175 425 595 2975 7900679 39503395 55304753 134311543 197516975 276523765 671557715 940180801 1382618825 3357788575 4700904005 23504520025