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25429244982 = 234238207497
BaseRepresentation
bin10111101011101100…
…110111110000110110
32102122012121111020020
4113223230313300312
5404034341314412
615403152550010
71560106005321
oct275354676066
972565544206
1025429244982
11a86a167149
124b18252306
13252344722b
1413333a17b8
159dc71118c
hex5ebb37c36

25429244982 has 8 divisors (see below), whose sum is σ = 50858489976. Its totient is φ = 8476414992.

The previous prime is 25429244903. The next prime is 25429244987. The reversal of 25429244982 is 28944292452.

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

25429244982 is an admirable number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25429244987) 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, 2119103743 + ... + 2119103754.

It is an arithmetic number, because the mean of its divisors is an integer number (6357311247).

Almost surely, 225429244982 is an apocalyptic number.

25429244982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25429244982 is a wasteful number, since it uses less digits than its factorization.

25429244982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4238207502.

The product of its digits is 3317760, while the sum is 51.

The spelling of 25429244982 in words is "twenty-five billion, four hundred twenty-nine million, two hundred forty-four thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 4238207497 8476414994 12714622491 25429244982