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80159732543 = 1156503128971
BaseRepresentation
bin100101010100111100…
…1000111001100111111
321122220110200022212002
41022221321013030333
52303131342420133
6100454101132515
75535301325102
oct1125171071477
9248813608762
1080159732543
1130aa5096550
12136513ba13b
137736260907
143c46078739
152142521ce8
hex12a9e4733f

80159732543 has 8 divisors (see below), whose sum is σ = 87449206656. Its totient is φ = 72870629400.

The previous prime is 80159732537. The next prime is 80159732551. The reversal of 80159732543 is 34523795108.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80159732543 - 218 = 80159470399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80159702543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 557048 + ... + 686018.

It is an arithmetic number, because the mean of its divisors is an integer number (10931150832).

Almost surely, 280159732543 is an apocalyptic number.

80159732543 is a deficient number, since it is larger than the sum of its proper divisors (7289474113).

80159732543 is a wasteful number, since it uses less digits than its factorization.

80159732543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185485.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 80159732543 in words is "eighty billion, one hundred fifty-nine million, seven hundred thirty-two thousand, five hundred forty-three".

Divisors: 1 11 56503 128971 621533 1418681 7287248413 80159732543