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80365084800 = 27352711138363
BaseRepresentation
bin100101011011000100…
…0011110000010000000
321200102210002022012020
41022312020132002000
52304041430203200
6100530314401440
75543343643530
oct1126610360200
9250383068166
1080365084800
113109aaa4760
12136aa130280
137769970120
143c654514c0
152155586ea0
hex12b621e080

80365084800 has 768 divisors, whose sum is σ = 355447249920. Its totient is φ = 15412838400.

The previous prime is 80365084799. The next prime is 80365084837. The reversal of 80365084800 is 848056308.

It is a super-2 number, since 2×803650848002 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 95 ways as a sum of consecutive naturals, for example, 9605419 + ... + 9613781.

It is an arithmetic number, because the mean of its divisors is an integer number (462821940).

Almost surely, 280365084800 is an apocalyptic number.

80365084800 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 80365084800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177723624960).

80365084800 is an abundant number, since it is smaller than the sum of its proper divisors (275082165120).

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

80365084800 is a wasteful number, since it uses less digits than its factorization.

80365084800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8421 (or 8404 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

It can be divided in two parts, 8036 and 5084800, that added together give a triangular number (5092836 = T3191).

The spelling of 80365084800 in words is "eighty billion, three hundred sixty-five million, eighty-four thousand, eight hundred".