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80140086829 = 117285462439
BaseRepresentation
bin100101010100010111…
…0001010111000101101
321122212002201020000001
41022220232022320231
52303111330234304
6100452120104301
75534642333005
oct1125056127055
9248762636001
1080140086829
1130a94a98420
1213646905091
13773217282a
143c43603005
152140940da4
hex12a8b8ae2d

80140086829 has 4 divisors (see below), whose sum is σ = 87425549280. Its totient is φ = 72854624380.

The previous prime is 80140086827. The next prime is 80140086853. The reversal of 80140086829 is 92868004108.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80140086829 - 21 = 80140086827 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 (80140086827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3642731209 + ... + 3642731230.

It is an arithmetic number, because the mean of its divisors is an integer number (21856387320).

Almost surely, 280140086829 is an apocalyptic number.

It is an amenable number.

80140086829 is a deficient number, since it is larger than the sum of its proper divisors (7285462451).

80140086829 is a wasteful number, since it uses less digits than its factorization.

80140086829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7285462450.

The product of its (nonzero) digits is 221184, while the sum is 46.

The spelling of 80140086829 in words is "eighty billion, one hundred forty million, eighty-six thousand, eight hundred twenty-nine".

Divisors: 1 11 7285462439 80140086829