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79425963720 = 233351921371487
BaseRepresentation
bin100100111111000101…
…0000000011011001000
321121000022222000021000
41021332022000123020
52300131021314340
6100253210015000
75511151360305
oct1117612003310
9247008860230
1079425963720
1130758982134
1213487717460
13764a229c8c
143bb68300ac
1520ecdcdd30
hex127e2806c8

79425963720 has 384 divisors, whose sum is σ = 281649830400. Its totient is φ = 19905647616.

The previous prime is 79425963709. The next prime is 79425963737. The reversal of 79425963720 is 2736952497.

79425963720 is a `hidden beast` number, since 7 + 9 + 42 + 596 + 3 + 7 + 2 + 0 = 666.

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 95 ways as a sum of consecutive naturals, for example, 53412817 + ... + 53414303.

It is an arithmetic number, because the mean of its divisors is an integer number (733463100).

Almost surely, 279425963720 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 79425963720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140824915200).

79425963720 is an abundant number, since it is smaller than the sum of its proper divisors (202223866680).

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

79425963720 is a wasteful number, since it uses less digits than its factorization.

79425963720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682 (or 1653 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 54.

The spelling of 79425963720 in words is "seventy-nine billion, four hundred twenty-five million, nine hundred sixty-three thousand, seven hundred twenty".