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80688082894848 = 21433112131719359
BaseRepresentation
bin10010010110001010101000…
…100001001100000000000000
3101120200201001020012202101000
4102112022220201030000000
541033443143210113343
6443335332113012000
722665343625201142
oct2226125041140000
9346621036182330
1080688082894848
1123789695295300
129071a83854000
133603b1339c540
1415cd477298c92
1594dd37696ed3
hex4962a884c000

80688082894848 has 2880 divisors, whose sum is σ = 316287006336000. Its totient is φ = 20068360519680.

The previous prime is 80688082894823. The next prime is 80688082894877. The reversal of 80688082894848 is 84849828088608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 224757890893 + ... + 224757891251.

It is an arithmetic number, because the mean of its divisors is an integer number (109821877200).

Almost surely, 280688082894848 is an apocalyptic number.

80688082894848 is a gapful number since it is divisible by the number (88) 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 80688082894848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158143503168000).

80688082894848 is an abundant number, since it is smaller than the sum of its proper divisors (235598923441152).

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

80688082894848 is a wasteful number, since it uses less digits than its factorization.

80688082894848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467 (or 424 counting only the distinct ones).

The product of its (nonzero) digits is 3623878656, while the sum is 81.

The spelling of 80688082894848 in words is "eighty trillion, six hundred eighty-eight billion, eighty-two million, eight hundred ninety-four thousand, eight hundred forty-eight".