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80776234008 = 233231591673673
BaseRepresentation
bin100101100111010100…
…0111000010000011000
321201111102201211212200
41023032220320100120
52310412203442013
6101035203010200
75556465442341
oct1131650702030
9251442654780
1080776234008
1131291095198
12137a3969960
137803bb6392
143ca3cb90c8
15217b6ede73
hex12cea38418

80776234008 has 192 divisors, whose sum is σ = 231091660800. Its totient is φ = 25454891520.

The previous prime is 80776233973. The next prime is 80776234093. The reversal of 80776234008 is 80043267708.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21990060 + ... + 21993732.

It is an arithmetic number, because the mean of its divisors is an integer number (1203602400).

Almost surely, 280776234008 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 80776234008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115545830400).

80776234008 is an abundant number, since it is smaller than the sum of its proper divisors (150315426792).

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

80776234008 is a wasteful number, since it uses less digits than its factorization.

80776234008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3942 (or 3935 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 80776234008 in words is "eighty billion, seven hundred seventy-six million, two hundred thirty-four thousand, eight".