Base | Representation |
---|---|
bin | 1001111001001… |
… | …11101011001101 |
3 | 12210011211121120 |
4 | 10330213223031 |
5 | 132222000023 |
6 | 12122551153 |
7 | 2025326355 |
oct | 474475315 |
9 | 183154546 |
10 | 83000013 |
11 | 42940158 |
12 | 239684b9 |
13 | 14270a45 |
14 | b047b65 |
15 | 74478e3 |
hex | 4f27acd |
83000013 has 4 divisors (see below), whose sum is σ = 110666688. Its totient is φ = 55333340.
The previous prime is 83000011. The next prime is 83000017. The reversal of 83000013 is 31000038.
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 83000013 - 21 = 83000011 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 82999956 and 83000001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83000011) 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, 13833333 + ... + 13833338.
It is an arithmetic number, because the mean of its divisors is an integer number (27666672).
Almost surely, 283000013 is an apocalyptic number.
It is an amenable number.
83000013 is a deficient number, since it is larger than the sum of its proper divisors (27666675).
83000013 is a wasteful number, since it uses less digits than its factorization.
83000013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27666674.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 83000013 is about 9110.4342926120. The cubic root of 83000013 is about 436.2070899193.
The spelling of 83000013 in words is "eighty-three million, thirteen", and thus it is an aban number and an uban number.
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