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80474566320720 = 243351113673888607
BaseRepresentation
bin10010010011000011110001…
…111100000110001001010000
3101112221021220220002221221000
4102103003301330012021100
541021443402434230340
6443053301055502000
722644044526232365
oct2223036174061120
9345837826087830
1080474566320720
11237070877a1990
129038615527900
1335b9946972610
1415c2dbddc046c
159484dc781d30
hex4930f1f06250

80474566320720 has 640 divisors, whose sum is σ = 330510525972480. Its totient is φ = 17739509483520.

The previous prime is 80474566320713. The next prime is 80474566320737. The reversal of 80474566320720 is 2702366547408.

80474566320720 is a `hidden beast` number, since 8 + 0 + 4 + 7 + 4 + 566 + 3 + 2 + 0 + 72 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 18750657 + ... + 22639263.

It is an arithmetic number, because the mean of its divisors is an integer number (516422696832).

Almost surely, 280474566320720 is an apocalyptic number.

80474566320720 is a gapful number since it is divisible by the number (80) 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 80474566320720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165255262986240).

80474566320720 is an abundant number, since it is smaller than the sum of its proper divisors (250035959651760).

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

80474566320720 is a wasteful number, since it uses less digits than its factorization.

80474566320720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3888720 (or 3888708 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 54.

The spelling of 80474566320720 in words is "eighty trillion, four hundred seventy-four billion, five hundred sixty-six million, three hundred twenty thousand, seven hundred twenty".