Base | Representation |
---|---|
bin | 110001111110… |
… | …010010111111 |
3 | 220122120010110 |
4 | 301332102333 |
5 | 11323201343 |
6 | 1144441103 |
7 | 216231033 |
oct | 61762277 |
9 | 26576113 |
10 | 13100223 |
11 | 7438434 |
12 | 4479193 |
13 | 2938a16 |
14 | 1a501c3 |
15 | 123b833 |
hex | c7e4bf |
13100223 has 4 divisors (see below), whose sum is σ = 17466968. Its totient is φ = 8733480.
The previous prime is 13100221. The next prime is 13100231. The reversal of 13100223 is 32200131.
It is a happy number.
13100223 is digitally balanced in base 3, 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 not a de Polignac number, because 13100223 - 21 = 13100221 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13100199 and 13100208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13100221) 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, 2183368 + ... + 2183373.
It is an arithmetic number, because the mean of its divisors is an integer number (4366742).
Almost surely, 213100223 is an apocalyptic number.
13100223 is a deficient number, since it is larger than the sum of its proper divisors (4366745).
13100223 is an equidigital number, since it uses as much as digits as its factorization.
13100223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4366744.
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 13100223 is about 3619.4230203169. The cubic root of 13100223 is about 235.7361733840.
Adding to 13100223 its reverse (32200131), we get a palindrome (45300354).
The spelling of 13100223 in words is "thirteen million, one hundred thousand, two hundred twenty-three".
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