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80543116800 = 2933521713709
BaseRepresentation
bin100101100000010111…
…1100110111000000000
321200220012002021012000
41023000233212320000
52304423014214200
6101000114304000
75550635124336
oct1130057467000
9250805067160
1080543116800
1131181542843
1213739888000
1377978052c3
143c80d55b56
152166002300
hex12c0be6e00

80543116800 has 480 divisors, whose sum is σ = 313045365600. Its totient is φ = 20213268480.

The previous prime is 80543116781. The next prime is 80543116879. The reversal of 80543116800 is 861134508.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 5868346 + ... + 5882054.

It is an arithmetic number, because the mean of its divisors is an integer number (652177845).

Almost surely, 280543116800 is an apocalyptic number.

80543116800 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 80543116800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156522682800).

80543116800 is an abundant number, since it is smaller than the sum of its proper divisors (232502248800).

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

80543116800 is a wasteful number, since it uses less digits than its factorization.

80543116800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13763 (or 13736 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 80543116800 in words is "eighty billion, five hundred forty-three million, one hundred sixteen thousand, eight hundred".