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25048268928 = 273517127373
BaseRepresentation
bin10111010100111111…
…100100000010000000
32101122122201220100000
4113110333210002000
5402244324101203
615301303200000
71544501526054
oct272477440200
971578656300
1025048268928
11a694105201
124a30746000
132492536a07
1412d894dc64
159b90594a3
hex5d4fe4080

25048268928 has 384 divisors, whose sum is σ = 79982622720. Its totient is φ = 7775502336.

The previous prime is 25048268893. The next prime is 25048268939. The reversal of 25048268928 is 82986284052.

It is a happy number.

25048268928 is a `hidden beast` number, since 250 + 48 + 268 + 92 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67153350 + ... + 67153722.

It is an arithmetic number, because the mean of its divisors is an integer number (208288080).

Almost surely, 225048268928 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 25048268928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39991311360).

25048268928 is an abundant number, since it is smaller than the sum of its proper divisors (54934353792).

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

25048268928 is a wasteful number, since it uses less digits than its factorization.

25048268928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546 (or 522 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 54.

The spelling of 25048268928 in words is "twenty-five billion, forty-eight million, two hundred sixty-eight thousand, nine hundred twenty-eight".