Base | Representation |
---|---|
bin | 1001100010011… |
… | …10000111000101 |
3 | 12120120000102221 |
4 | 10301032013011 |
5 | 130440333332 |
6 | 11534532341 |
7 | 1661042212 |
oct | 461160705 |
9 | 176500387 |
10 | 80011717 |
11 | 41189a95 |
12 | 229670b1 |
13 | 13765816 |
14 | a8aab09 |
15 | 7057297 |
hex | 4c4e1c5 |
80011717 has 4 divisors (see below), whose sum is σ = 84222880. Its totient is φ = 75800556.
The previous prime is 80011697. The next prime is 80011721. The reversal of 80011717 is 71711008.
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 80011717 - 211 = 80009669 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 80011691 and 80011700.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80014717) 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, 2105553 + ... + 2105590.
It is an arithmetic number, because the mean of its divisors is an integer number (21055720).
Almost surely, 280011717 is an apocalyptic number.
It is an amenable number.
80011717 is a deficient number, since it is larger than the sum of its proper divisors (4211163).
80011717 is a wasteful number, since it uses less digits than its factorization.
80011717 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4211162.
The product of its (nonzero) digits is 392, while the sum is 25.
The square root of 80011717 is about 8944.9268862300. The cubic root of 80011717 is about 430.9079732388.
The spelling of 80011717 in words is "eighty million, eleven thousand, seven hundred seventeen".
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