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5680401930 = 2325721724457
BaseRepresentation
bin1010100101001010…
…00000111000001010
3112122212200022112200
411102211000320022
543113140330210
62335354421030
7260523422400
oct52245007012
915585608480
105680401930
112455491055
121126431776
136c6ac8798
143bc5b7470
15233a570c0
hex152940e0a

5680401930 has 216 divisors, whose sum is σ = 18254466828. Its totient is φ = 1221728256.

The previous prime is 5680401887. The next prime is 5680401967. The reversal of 5680401930 is 391040865.

5680401930 is a `hidden beast` number, since 568 + 0 + 4 + 0 + 1 + 93 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 4575304881 + 1105097049 = 67641^2 + 33243^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 1272262 + ... + 1276718.

Almost surely, 25680401930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5680401930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9127233414).

5680401930 is an abundant number, since it is smaller than the sum of its proper divisors (12574064898).

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

5680401930 is a wasteful number, since it uses less digits than its factorization.

5680401930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4518 (or 4491 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 5680401930 is about 75368.4412071790. The cubic root of 5680401930 is about 1784.2663651841.

The spelling of 5680401930 in words is "five billion, six hundred eighty million, four hundred one thousand, nine hundred thirty".