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25265487323 = 28978721259
BaseRepresentation
bin10111100001111100…
…001011110111011011
32102012210110201221202
4113201330023313123
5403220431043243
615335023024415
71553050045616
oct274174136733
972183421852
1025265487323
11a79578863a
124a9143b10b
1324c853c2cb
14131973517d
159cd1654b8
hex5e1f0bddb

25265487323 has 4 divisors (see below), whose sum is σ = 25274211480. Its totient is φ = 25256763168.

The previous prime is 25265487311. The next prime is 25265487349. The reversal of 25265487323 is 32378456252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25265487323 - 212 = 25265483227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25265487353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4357733 + ... + 4363526.

It is an arithmetic number, because the mean of its divisors is an integer number (6318552870).

Almost surely, 225265487323 is an apocalyptic number.

25265487323 is a deficient number, since it is larger than the sum of its proper divisors (8724157).

25265487323 is an equidigital number, since it uses as much as digits as its factorization.

25265487323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8724156.

The product of its digits is 2419200, while the sum is 47.

The spelling of 25265487323 in words is "twenty-five billion, two hundred sixty-five million, four hundred eighty-seven thousand, three hundred twenty-three".

Divisors: 1 2897 8721259 25265487323