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25045063680 = 2113571317231
BaseRepresentation
bin10111010100110011…
…010101100000000000
32101122102201001120010
4113110303111200000
5402243014014210
615301110344520
71544432346240
oct272463254000
971572631503
1025045063680
11a69231603a
124a2b65b140
132491983b10
1412d8357b20
159b8b24920
hex5d4cd5800

25045063680 has 1152 divisors, whose sum is σ = 108136304640. Its totient is φ = 4812963840.

The previous prime is 25045063661. The next prime is 25045063721. The reversal of 25045063680 is 8636054052.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 807905265 + ... + 807905295.

It is an arithmetic number, because the mean of its divisors is an integer number (93868320).

Almost surely, 225045063680 is an apocalyptic number.

25045063680 is a gapful number since it is divisible by the number (20) 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 25045063680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54068152320).

25045063680 is an abundant number, since it is smaller than the sum of its proper divisors (83091240960).

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

25045063680 is a wasteful number, since it uses less digits than its factorization.

25045063680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 25045063680 in words is "twenty-five billion, forty-five million, sixty-three thousand, six hundred eighty".