Base | Representation |
---|---|
bin | 110001100111… |
… | …000110010110 |
3 | 220110201210022 |
4 | 301213012112 |
5 | 11312131311 |
6 | 1142425142 |
7 | 215354024 |
oct | 61470626 |
9 | 26421708 |
10 | 13005206 |
11 | 7383005 |
12 | 44321b2 |
13 | 29046b6 |
14 | 1a27714 |
15 | 121d5db |
hex | c67196 |
13005206 has 4 divisors (see below), whose sum is σ = 19507812. Its totient is φ = 6502602.
The previous prime is 13005203. The next prime is 13005211. The reversal of 13005206 is 60250031.
13005206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13005203) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3251300 + ... + 3251303.
It is an arithmetic number, because the mean of its divisors is an integer number (4876953).
Almost surely, 213005206 is an apocalyptic number.
13005206 is a deficient number, since it is larger than the sum of its proper divisors (6502606).
13005206 is an equidigital number, since it uses as much as digits as its factorization.
13005206 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6502605.
The product of its (nonzero) digits is 180, while the sum is 17.
The square root of 13005206 is about 3606.2731455063. The cubic root of 13005206 is about 235.1648518868.
Adding to 13005206 its reverse (60250031), we get a palindrome (73255237).
The spelling of 13005206 in words is "thirteen million, five thousand, two hundred six".
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