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80998092619776 = 21435192936923
BaseRepresentation
bin10010011010101011010110…
…100010011100000000000000
3101121210100020100012111100000
4102122223112202130000000
541104033043202313101
6444134002101200000
723026630146321153
oct2232532642340000
9347710210174300
1080998092619776
1123899109739042
129101b81400000
133627119c11bb7
141600485971c9a
15956e2d9d5486
hex49aad689c000

80998092619776 has 720 divisors, whose sum is σ = 264239693827200. Its totient is φ = 24695664279552.

The previous prime is 80998092619751. The next prime is 80998092619781. The reversal of 80998092619776 is 67791629089908.

It is a super-2 number, since 2×809980926197762 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a junction number, because it is equal to n+sod(n) for n = 80998092619695 and 80998092619704.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2193684451 + ... + 2193721373.

It is an arithmetic number, because the mean of its divisors is an integer number (366999574760).

Almost surely, 280998092619776 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 80998092619776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132119846913600).

80998092619776 is an abundant number, since it is smaller than the sum of its proper divisors (183241601207424).

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

80998092619776 is an equidigital number, since it uses as much as digits as its factorization.

80998092619776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37014 (or 36976 counting only the distinct ones).

The product of its (nonzero) digits is 1481421312, while the sum is 81.

The spelling of 80998092619776 in words is "eighty trillion, nine hundred ninety-eight billion, ninety-two million, six hundred nineteen thousand, seven hundred seventy-six".