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25268796432 = 243211295397107
BaseRepresentation
bin10111100010001000…
…110011110000010000
32102020000200212012100
4113202020303300100
5403222302441212
615335222000400
71553120140305
oct274210636020
972200625170
1025268796432
11a797638840
124a92576100
1324c912a569
141319d570ac
159cd5babdc
hex5e2233c10

25268796432 has 480 divisors, whose sum is σ = 82918442880. Its totient is φ = 7111802880.

The previous prime is 25268796401. The next prime is 25268796437. The reversal of 25268796432 is 23469786252.

25268796432 is a `hidden beast` number, since 2 + 526 + 8 + 79 + 6 + 43 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (25268796437) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 236156923 + ... + 236157029.

It is an arithmetic number, because the mean of its divisors is an integer number (172746756).

Almost surely, 225268796432 is an apocalyptic number.

25268796432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25268796432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41459221440).

25268796432 is an abundant number, since it is smaller than the sum of its proper divisors (57649646448).

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

25268796432 is a wasteful number, since it uses less digits than its factorization.

25268796432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 302 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The spelling of 25268796432 in words is "twenty-five billion, two hundred sixty-eight million, seven hundred ninety-six thousand, four hundred thirty-two".