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80827928064 = 2932134093299
BaseRepresentation
bin100101101000110111…
…0000100111000000000
321201122001000011210100
41023101232010320000
52311013422144224
6101044251002400
75560664024022
oct1132156047000
9251561004710
1080827928064
1131308292754
12137b9139400
137811815890
143caaad4012
152181010ac9
hex12d1b84e00

80827928064 has 240 divisors, whose sum is σ = 251909658000. Its totient is φ = 24801804288.

The previous prime is 80827928059. The next prime is 80827928099. The reversal of 80827928064 is 46082972808.

It is a self number, because there is not a number n which added to its sum of digits gives 80827928064.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24499087 + ... + 24502385.

It is an arithmetic number, because the mean of its divisors is an integer number (1049623575).

Almost surely, 280827928064 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 80827928064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125954829000).

80827928064 is an abundant number, since it is smaller than the sum of its proper divisors (171081729936).

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

80827928064 is a wasteful number, since it uses less digits than its factorization.

80827928064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3745 (or 3726 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 80827928064 in words is "eighty billion, eight hundred twenty-seven million, nine hundred twenty-eight thousand, sixty-four".