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25755874764 = 22319112964363
BaseRepresentation
bin10111111111001010…
…110111010111001100
32110110222020000001120
4113333022313113030
5410222000443024
615455421440540
71601153215614
oct277712672714
973428200046
1025755874764
11aa17579a14
124ba9710150
132576009ca9
141364907a44
15a0b230479
hex5ff2b75cc

25755874764 has 24 divisors (see below), whose sum is σ = 63260043840. Its totient is φ = 8133434064.

The previous prime is 25755874763. The next prime is 25755874799. The reversal of 25755874764 is 46747855752.

25755874764 = 567372 + 567382 + ... + 567442.

It is a junction number, because it is equal to n+sod(n) for n = 25755874698 and 25755874707.

It is not an unprimeable number, because it can be changed into a prime (25755874763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56481954 + ... + 56482409.

It is an arithmetic number, because the mean of its divisors is an integer number (2635835160).

Almost surely, 225755874764 is an apocalyptic number.

It is an amenable number.

25755874764 is an abundant number, since it is smaller than the sum of its proper divisors (37504169076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25755874764 is a wasteful number, since it uses less digits than its factorization.

25755874764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112964389 (or 112964387 counting only the distinct ones).

The product of its digits is 65856000, while the sum is 60.

The spelling of 25755874764 in words is "twenty-five billion, seven hundred fifty-five million, eight hundred seventy-four thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 112964363 225928726 338893089 451857452 677786178 1355572356 2146322897 4292645794 6438968691 8585291588 12877937382 25755874764