Base | Representation |
---|---|
bin | 110001101000… |
… | …010100011011 |
3 | 220110222122101 |
4 | 301220110123 |
5 | 11312311303 |
6 | 1142504231 |
7 | 215404423 |
oct | 61502433 |
9 | 26428571 |
10 | 13010203 |
11 | 7386838 |
12 | 4435077 |
13 | 2906a5b |
14 | 1a29483 |
15 | 121ed1d |
hex | c6851b |
13010203 has 4 divisors (see below), whose sum is σ = 13575888. Its totient is φ = 12444520.
The previous prime is 13010197. The next prime is 13010213. The reversal of 13010203 is 30201031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30201031 = 7 ⋅4314433.
It is a cyclic number.
It is not a de Polignac number, because 13010203 - 29 = 13009691 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 13010203.
It is not an unprimeable number, because it can be changed into a prime (13010213) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282808 + ... + 282853.
It is an arithmetic number, because the mean of its divisors is an integer number (3393972).
Almost surely, 213010203 is an apocalyptic number.
13010203 is a deficient number, since it is larger than the sum of its proper divisors (565685).
13010203 is an equidigital number, since it uses as much as digits as its factorization.
13010203 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 565684.
The product of its (nonzero) digits is 18, while the sum is 10.
The square root of 13010203 is about 3606.9658994784. The cubic root of 13010203 is about 235.1949672188.
Adding to 13010203 its reverse (30201031), we get a palindrome (43211234).
The spelling of 13010203 in words is "thirteen million, ten thousand, two hundred three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •