Base | Representation |
---|---|
bin | 1001100111101… |
… | …00101001110111 |
3 | 12121211200012012 |
4 | 10303310221313 |
5 | 131124201004 |
6 | 12001314435 |
7 | 1666613060 |
oct | 463645167 |
9 | 177750165 |
10 | 80693879 |
11 | 41605562 |
12 | 23035a1b |
13 | 13944176 |
14 | aa07567 |
15 | 713e46e |
hex | 4cf4a77 |
80693879 has 8 divisors (see below), whose sum is σ = 92700960. Its totient is φ = 68806656.
The previous prime is 80693857. The next prime is 80693881. The reversal of 80693879 is 97839608.
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 80693879 - 212 = 80689783 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 (80693479) 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, 28514 + ... + 31215.
It is an arithmetic number, because the mean of its divisors is an integer number (11587620).
Almost surely, 280693879 is an apocalyptic number.
80693879 is a deficient number, since it is larger than the sum of its proper divisors (12007081).
80693879 is a wasteful number, since it uses less digits than its factorization.
80693879 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59929.
The product of its (nonzero) digits is 653184, while the sum is 50.
The square root of 80693879 is about 8982.9771790871. The cubic root of 80693879 is about 432.1291177121.
The spelling of 80693879 in words is "eighty million, six hundred ninety-three thousand, eight hundred seventy-nine".
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