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80752428686 = 2103392002081
BaseRepresentation
bin100101100110100111…
…0000100011010001110
321201102202221102010002
41023031032010122032
52310340110204221
6101032552444302
75556056214146
oct1131516043216
9251382842102
1080752428686
1131279705976
12137979a9692
1377cbc9cba7
143ca0a7d926
15217959a80b
hex12cd38468e

80752428686 has 8 divisors (see below), whose sum is σ = 122304649584. Its totient is φ = 39984212160.

The previous prime is 80752428667. The next prime is 80752428733. The reversal of 80752428686 is 68682425708.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196000835 + ... + 196001246.

It is an arithmetic number, because the mean of its divisors is an integer number (15288081198).

Almost surely, 280752428686 is an apocalyptic number.

80752428686 is a deficient number, since it is larger than the sum of its proper divisors (41552220898).

80752428686 is a wasteful number, since it uses less digits than its factorization.

80752428686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392002186.

The product of its (nonzero) digits is 10321920, while the sum is 56.

The spelling of 80752428686 in words is "eighty billion, seven hundred fifty-two million, four hundred twenty-eight thousand, six hundred eighty-six".

Divisors: 1 2 103 206 392002081 784004162 40376214343 80752428686