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80690084718 = 2331742423809
BaseRepresentation
bin100101100100110000…
…0001111101101101110
321201021102122000021020
41023021200033231232
52310223130202333
6101022444315010
75554401255255
oct1131140175556
9251242560236
1080690084718
11312474a3a31
121377ab42a66
1377bc0b2079
143c9669179c
152173d833b3
hex12c980fb6e

80690084718 has 16 divisors (see below), whose sum is σ = 161889258960. Its totient is φ = 26811846656.

The previous prime is 80690084647. The next prime is 80690084731. The reversal of 80690084718 is 81748009608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21210003 + ... + 21213806.

It is an arithmetic number, because the mean of its divisors is an integer number (10118078685).

Almost surely, 280690084718 is an apocalyptic number.

80690084718 is an abundant number, since it is smaller than the sum of its proper divisors (81199174242).

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

80690084718 is a wasteful number, since it uses less digits than its factorization.

80690084718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42424131.

The product of its (nonzero) digits is 774144, while the sum is 51.

The spelling of 80690084718 in words is "eighty billion, six hundred ninety million, eighty-four thousand, seven hundred eighteen".

Divisors: 1 2 3 6 317 634 951 1902 42423809 84847618 127271427 254542854 13448347453 26896694906 40345042359 80690084718