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19425832560 = 24335193115269
BaseRepresentation
bin10010000101110111…
…101010111001110000
31212010211010112121000
4102011313222321300
5304241003120220
612531335002000
71255250565231
oct220567527160
955124115530
1019425832560
118269415582
123921809300
131aa77551a4
14d23d45088
1578a652390
hex485deae70

19425832560 has 320 divisors, whose sum is σ = 72709632000. Its totient is φ = 4748958720.

The previous prime is 19425832501. The next prime is 19425832577. The reversal of 19425832560 is 6523852491.

19425832560 is a `hidden beast` number, since 1 + 9 + 4 + 2 + 5 + 83 + 2 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1264606 + ... + 1279874.

It is an arithmetic number, because the mean of its divisors is an integer number (227217600).

Almost surely, 219425832560 is an apocalyptic number.

19425832560 is a gapful number since it is divisible by the number (10) 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 19425832560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36354816000).

19425832560 is an abundant number, since it is smaller than the sum of its proper divisors (53283799440).

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

19425832560 is a wasteful number, since it uses less digits than its factorization.

19425832560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15341 (or 15329 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 19425832560 in words is "nineteen billion, four hundred twenty-five million, eight hundred thirty-two thousand, five hundred sixty".