Base | Representation |
---|---|
bin | 11000100111111110… |
… | …00100001100000111 |
3 | 1021010100010210202100 |
4 | 30103333010030013 |
5 | 204033332414343 |
6 | 10023454443143 |
7 | 645415566465 |
oct | 142377041407 |
9 | 37110123670 |
10 | 13220201223 |
11 | 5674505939 |
12 | 268b5034b3 |
13 | 1328bacb98 |
14 | 8d5ac9835 |
15 | 52594b9d3 |
hex | 313fc4307 |
13220201223 has 6 divisors (see below), whose sum is σ = 19095846224. Its totient is φ = 8813467476.
The previous prime is 13220201173. The next prime is 13220201237. The reversal of 13220201223 is 32210202231.
13220201223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13220201223 - 29 = 13220200711 is a prime.
It is a super-2 number, since 2×132202012232 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13220201196 and 13220201205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12220201223) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 734455615 + ... + 734455632.
Almost surely, 213220201223 is an apocalyptic number.
13220201223 is a deficient number, since it is larger than the sum of its proper divisors (5875645001).
13220201223 is a wasteful number, since it uses less digits than its factorization.
13220201223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1468911253 (or 1468911250 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 13220201223 its reverse (32210202231), we get a palindrome (45430403454).
The spelling of 13220201223 in words is "thirteen billion, two hundred twenty million, two hundred one thousand, two hundred twenty-three".
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