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25302053252 = 227903644759
BaseRepresentation
bin10111100100000111…
…101011000110000100
32102022100021110222102
4113210013223012010
5403304311201002
615342410451232
71554002622050
oct274407530604
972270243872
1025302053252
11a804393113
124aa1733b18
132502ca2a58
141320532c60
159d1489a02
hex5e41eb184

25302053252 has 12 divisors (see below), whose sum is σ = 50604106560. Its totient is φ = 10843737096.

The previous prime is 25302053251. The next prime is 25302053281. The reversal of 25302053252 is 25235020352.

It is a happy number.

25302053252 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (25302053251) 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, 451822352 + ... + 451822407.

It is an arithmetic number, because the mean of its divisors is an integer number (4217008880).

Almost surely, 225302053252 is an apocalyptic number.

It is an amenable number.

25302053252 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.

25302053252 is a wasteful number, since it uses less digits than its factorization.

25302053252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903644770 (or 903644768 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 29.

The spelling of 25302053252 in words is "twenty-five billion, three hundred two million, fifty-three thousand, two hundred fifty-two".

Divisors: 1 2 4 7 14 28 903644759 1807289518 3614579036 6325513313 12651026626 25302053252