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80544367488 = 2731341974057
BaseRepresentation
bin100101100000011010…
…0011000001110000000
321200220021102210210210
41023000310120032000
52304423324224423
6101000201154120
75550651553554
oct1130064301600
9250807383723
1080544367488
1131182217472
121373a18b940
137797b52660
143c8119d864
15216619cb93
hex12c0d18380

80544367488 has 256 divisors, whose sum is σ = 238514955840. Its totient is φ = 23923261440.

The previous prime is 80544367451. The next prime is 80544367511. The reversal of 80544367488 is 88476344508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19851156 + ... + 19855212.

Almost surely, 280544367488 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 80544367488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119257477920).

80544367488 is an abundant number, since it is smaller than the sum of its proper divisors (157970588352).

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

80544367488 is a wasteful number, since it uses less digits than its factorization.

80544367488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4225 (or 4213 counting only the distinct ones).

The product of its (nonzero) digits is 20643840, while the sum is 57.

The spelling of 80544367488 in words is "eighty billion, five hundred forty-four million, three hundred sixty-seven thousand, four hundred eighty-eight".