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80950843218 = 2371927401029
BaseRepresentation
bin100101101100100001…
…0111101011101010010
321201221121021220200110
41023121002331131102
52311241403440333
6101104401302150
75564015546160
oct1133102753522
9251847256613
1080950843218
1131370705723
1213832334956
13783112063b
143cbd16c230
15218bbe0063
hex12d90bd752

80950843218 has 16 divisors (see below), whose sum is σ = 185030498880. Its totient is φ = 23128812336.

The previous prime is 80950843139. The next prime is 80950843231. The reversal of 80950843218 is 81234805908.

It is a Curzon 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, 963700473 + ... + 963700556.

It is an arithmetic number, because the mean of its divisors is an integer number (11564406180).

Almost surely, 280950843218 is an apocalyptic number.

80950843218 is an abundant number, since it is smaller than the sum of its proper divisors (104079655662).

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

80950843218 is a wasteful number, since it uses less digits than its factorization.

80950843218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1927401041.

The product of its (nonzero) digits is 552960, while the sum is 48.

The spelling of 80950843218 in words is "eighty billion, nine hundred fifty million, eight hundred forty-three thousand, two hundred eighteen".

Divisors: 1 2 3 6 7 14 21 42 1927401029 3854802058 5782203087 11564406174 13491807203 26983614406 40475421609 80950843218