Base | Representation |
---|---|
bin | 110010011000… |
… | …001001100001 |
3 | 220211221101022 |
4 | 302120021201 |
5 | 11340043423 |
6 | 1151015225 |
7 | 220151534 |
oct | 62301141 |
9 | 26757338 |
10 | 13206113 |
11 | 74aaa48 |
12 | 450a515 |
13 | 2974c8b |
14 | 1a7aa1b |
15 | 125cdc8 |
hex | c98261 |
13206113 has 4 divisors (see below), whose sum is σ = 13327380. Its totient is φ = 13084848.
The previous prime is 13206043. The next prime is 13206131. The reversal of 13206113 is 31160231.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 5326864 + 7879249 = 2308^2 + 2807^2 .
It is a cyclic number.
It is not a de Polignac number, because 13206113 - 210 = 13205089 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13206091 and 13206100.
It is not an unprimeable number, because it can be changed into a prime (13206173) 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, 60470 + ... + 60687.
It is an arithmetic number, because the mean of its divisors is an integer number (3331845).
Almost surely, 213206113 is an apocalyptic number.
It is an amenable number.
13206113 is a deficient number, since it is larger than the sum of its proper divisors (121267).
13206113 is a wasteful number, since it uses less digits than its factorization.
13206113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 121266.
The product of its (nonzero) digits is 108, while the sum is 17.
The square root of 13206113 is about 3634.0216014768. The cubic root of 13206113 is about 236.3696269012.
Adding to 13206113 its reverse (31160231), we get a palindrome (44366344).
The spelling of 13206113 in words is "thirteen million, two hundred six thousand, one hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •