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25453813034 = 213978992809
BaseRepresentation
bin10111101101001010…
…100101110100101010
32102200220211200021002
4113231022211310222
5404112134004114
615405431315002
71560524561306
oct275512456452
972626750232
1025453813034
11a882017521
124b2451ba62
132528569940
141336758d06
159de9657de
hex5ed2a5d2a

25453813034 has 8 divisors (see below), whose sum is σ = 41117698020. Its totient is φ = 11747913696.

The previous prime is 25453813031. The next prime is 25453813111. The reversal of 25453813034 is 43031835452.

It can be written as a sum of positive squares in 2 ways, for example, as 24908730625 + 545082409 = 157825^2 + 23347^2 .

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

It is not an unprimeable number, because it can be changed into a prime (25453813031) 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 3 ways as a sum of consecutive naturals, for example, 489496379 + ... + 489496430.

Almost surely, 225453813034 is an apocalyptic number.

25453813034 is a deficient number, since it is larger than the sum of its proper divisors (15663884986).

25453813034 is a wasteful number, since it uses less digits than its factorization.

25453813034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978992824.

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 25453813034 in words is "twenty-five billion, four hundred fifty-three million, eight hundred thirteen thousand, thirty-four".

Divisors: 1 2 13 26 978992809 1957985618 12726906517 25453813034