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80741834820868 = 22137829631983143
BaseRepresentation
bin10010010110111100101100…
…011000100000110100000100
3101120212211210021221111220211
4102112330230120200310010
541040333234203231433
6443420141543205204
723002255636056544
oct2226745430406404
9346784707844824
1080741834820868
11237aa468903961
129080385146804
133608bcb543b20
1415d1cd6005324
1595043160d8cd
hex496f2c620d04

80741834820868 has 24 divisors (see below), whose sum is σ = 152167575163968. Its totient is φ = 37265395838496.

The previous prime is 80741834820853. The next prime is 80741834820901. The reversal of 80741834820868 is 86802843814708.

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, 39722505 + ... + 41705647.

It is an arithmetic number, because the mean of its divisors is an integer number (6340315631832).

Almost surely, 280741834820868 is an apocalyptic number.

It is an amenable number.

80741834820868 is a deficient number, since it is larger than the sum of its proper divisors (71425740343100).

80741834820868 is a wasteful number, since it uses less digits than its factorization.

80741834820868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2766123 (or 2766121 counting only the distinct ones).

The product of its (nonzero) digits is 132120576, while the sum is 67.

The spelling of 80741834820868 in words is "eighty trillion, seven hundred forty-one billion, eight hundred thirty-four million, eight hundred twenty thousand, eight hundred sixty-eight".

Divisors: 1 2 4 13 26 52 782963 1565926 1983143 3131852 3966286 7932572 10178519 20357038 25780859 40714076 51561718 103123436 1552727592709 3105455185418 6210910370836 20185458705217 40370917410434 80741834820868