Base | Representation |
---|---|
bin | 11000100111111110… |
… | …00100011011101111 |
3 | 1021010100010212010101 |
4 | 30103333010123233 |
5 | 204033332432343 |
6 | 10023454451531 |
7 | 645415602424 |
oct | 142377043357 |
9 | 37110125111 |
10 | 13220202223 |
11 | 5674506668 |
12 | 268b503ba7 |
13 | 1328bb0487 |
14 | 8d5ac9d4b |
15 | 52594be4d |
hex | 313fc46ef |
13220202223 has 32 divisors (see below), whose sum is σ = 14673024000. Its totient is φ = 11855289600.
The previous prime is 13220202199. The next prime is 13220202239. The reversal of 13220202223 is 32220202231.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13220202223 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13220202223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13220202283) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24436333 + ... + 24436873.
It is an arithmetic number, because the mean of its divisors is an integer number (458532000).
Almost surely, 213220202223 is an apocalyptic number.
13220202223 is a deficient number, since it is larger than the sum of its proper divisors (1452821777).
13220202223 is a wasteful number, since it uses less digits than its factorization.
13220202223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1063.
The product of its (nonzero) digits is 576, while the sum is 19.
Adding to 13220202223 its reverse (32220202231), we get a palindrome (45440404454).
The spelling of 13220202223 in words is "thirteen billion, two hundred twenty million, two hundred two thousand, two hundred twenty-three".
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