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25232823252 = 223271337892339
BaseRepresentation
bin10111011111111111…
…100101001111010100
32102010112000020021100
4113133333211033110
5403134100321002
615331454550100
71552202313240
oct273777451724
972115006240
1025232823252
11a7792a863a
124a82508330
1324c1843860
141315271420
159ca36211c
hex5dffe53d4

25232823252 has 288 divisors, whose sum is σ = 81564537600. Its totient is φ = 6399461376.

The previous prime is 25232823211. The next prime is 25232823263.

25232823252 is a `hidden beast` number, since 2 + 5 + 2 + 328 + 2 + 325 + 2 = 666.

25232823252 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10786699 + ... + 10789037.

It is an arithmetic number, because the mean of its divisors is an integer number (283210200).

Almost surely, 225232823252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25232823252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40782268800).

25232823252 is an abundant number, since it is smaller than the sum of its proper divisors (56331714348).

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

25232823252 is a wasteful number, since it uses less digits than its factorization.

25232823252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2495 (or 2490 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The spelling of 25232823252 in words is "twenty-five billion, two hundred thirty-two million, eight hundred twenty-three thousand, two hundred fifty-two".