Base | Representation |
---|---|
bin | 110001101100… |
… | …101000011101 |
3 | 220111212212200 |
4 | 301230220131 |
5 | 11313342434 |
6 | 1143122113 |
7 | 215510061 |
oct | 61545035 |
9 | 26455780 |
10 | 13027869 |
11 | 7399038 |
12 | 4443339 |
13 | 2911aca |
14 | 1a31aa1 |
15 | 1225199 |
hex | c6ca1d |
13027869 has 12 divisors (see below), whose sum is σ = 18851196. Its totient is φ = 8669952.
The previous prime is 13027853. The next prime is 13027871. The reversal of 13027869 is 96872031.
13027869 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 6827769 + 6200100 = 2613^2 + 2490^2 .
It is not a de Polignac number, because 13027869 - 24 = 13027853 is a prime.
It is a super-2 number, since 2×130278692 = 339450741362322, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13027669) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6829 + ... + 8525.
It is an arithmetic number, because the mean of its divisors is an integer number (1570933).
Almost surely, 213027869 is an apocalyptic number.
It is an amenable number.
13027869 is a deficient number, since it is larger than the sum of its proper divisors (5823327).
13027869 is a wasteful number, since it uses less digits than its factorization.
13027869 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2556 (or 2553 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The square root of 13027869 is about 3609.4139413484. The cubic root of 13027869 is about 235.3013728118.
The spelling of 13027869 in words is "thirteen million, twenty-seven thousand, eight hundred sixty-nine".
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