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25852825852 = 2271815101189
BaseRepresentation
bin11000000100111100…
…101101000011111100
32110201201122121221121
4120010330231003330
5410421310411402
615513203440324
71603441252060
oct300474550374
973651577847
1025852825852
11aa67278787
1250160860a4
132590123ab9
141373743aa0
15a149d1837
hex604f2d0fc

25852825852 has 24 divisors (see below), whose sum is σ = 51991328480. Its totient is φ = 11018566080.

The previous prime is 25852825849. The next prime is 25852825853.

25852825852 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 25852825852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25852825853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2545527 + ... + 2555662.

Almost surely, 225852825852 is an apocalyptic number.

It is an amenable number.

25852825852 is an abundant number, since it is smaller than the sum of its proper divisors (26138502628).

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

25852825852 is a wasteful number, since it uses less digits than its factorization.

25852825852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5101381 (or 5101379 counting only the distinct ones).

The product of its digits is 5120000, while the sum is 52.

The spelling of 25852825852 in words is "twenty-five billion, eight hundred fifty-two million, eight hundred twenty-five thousand, eight hundred fifty-two".

Divisors: 1 2 4 7 14 28 181 362 724 1267 2534 5068 5101189 10202378 20404756 35708323 71416646 142833292 923315209 1846630418 3693260836 6463206463 12926412926 25852825852