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25240252463 = 231796130739
BaseRepresentation
bin10111100000011011…
…111011000000101111
32102011000222200020022
4113200123323000233
5403143001034323
615332322112355
71552322414606
oct274033730057
972130880208
1025240252463
11a782512288
124a84aab6bb
1324c324523a
141316246a3d
159cad2d4c8
hex5e06fb02f

25240252463 has 8 divisors (see below), whose sum is σ = 26484796800. Its totient is φ = 24007970008.

The previous prime is 25240252379. The next prime is 25240252469. The reversal of 25240252463 is 36425204252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25240252463 - 216 = 25240186927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25240252469) 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 7 ways as a sum of consecutive naturals, for example, 3061253 + ... + 3069486.

It is an arithmetic number, because the mean of its divisors is an integer number (3310599600).

Almost surely, 225240252463 is an apocalyptic number.

25240252463 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

25240252463 is a deficient number, since it is larger than the sum of its proper divisors (1244544337).

25240252463 is a wasteful number, since it uses less digits than its factorization.

25240252463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6130941.

The product of its (nonzero) digits is 115200, while the sum is 35.

The spelling of 25240252463 in words is "twenty-five billion, two hundred forty million, two hundred fifty-two thousand, four hundred sixty-three".

Divisors: 1 23 179 4117 6130739 141006997 1097402281 25240252463