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25750427274 = 2321113191812909
BaseRepresentation
bin10111111110110110…
…000101011010001010
32110110120222020111200
4113332312011122022
5410214102133044
615455105005030
71601056006665
oct277666053212
973416866450
1025750427274
11aa14499160
124ba7923776
132574b50620
141363cca6dc
15a0aa06369
hex5fed8568a

25750427274 has 192 divisors, whose sum is σ = 69401404800. Its totient is φ = 6783782400.

The previous prime is 25750427161. The next prime is 25750427291. The reversal of 25750427274 is 47272405752.

25750427274 is a `hidden beast` number, since 2 + 5 + 7 + 504 + 2 + 72 + 74 = 666.

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, 8850532 + ... + 8853440.

It is an arithmetic number, because the mean of its divisors is an integer number (361465650).

Almost surely, 225750427274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25750427274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34700702400).

25750427274 is an abundant number, since it is smaller than the sum of its proper divisors (43650977526).

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

25750427274 is a wasteful number, since it uses less digits than its factorization.

25750427274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3141 (or 3138 counting only the distinct ones).

The product of its (nonzero) digits is 1097600, while the sum is 45.

The spelling of 25750427274 in words is "twenty-five billion, seven hundred fifty million, four hundred twenty-seven thousand, two hundred seventy-four".