Base | Representation |
---|---|
bin | 11000100111111111… |
… | …00011111001011111 |
3 | 1021010100101101220201 |
4 | 30103333203321133 |
5 | 204033401043403 |
6 | 10023501324331 |
7 | 645416650240 |
oct | 142377437137 |
9 | 37110341821 |
10 | 13220331103 |
11 | 5674594481 |
12 | 268b5666a7 |
13 | 1328c27035 |
14 | 8d5b20cc7 |
15 | 52597521d |
hex | 313fe3e5f |
13220331103 has 16 divisors (see below), whose sum is σ = 15162301440. Its totient is φ = 11291759136.
The previous prime is 13220331101. The next prime is 13220331107. The reversal of 13220331103 is 30113302231.
It is not a de Polignac number, because 13220331103 - 21 = 13220331101 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13220331101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4308976 + ... + 4312042.
It is an arithmetic number, because the mean of its divisors is an integer number (947643840).
Almost surely, 213220331103 is an apocalyptic number.
13220331103 is a deficient number, since it is larger than the sum of its proper divisors (1941970337).
13220331103 is a wasteful number, since it uses less digits than its factorization.
13220331103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5046.
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 13220331103 its reverse (30113302231), we get a palindrome (43333633334).
It can be divided in two parts, 132203 and 31103, that added together give a triangular number (163306 = T571).
The spelling of 13220331103 in words is "thirteen billion, two hundred twenty million, three hundred thirty-one thousand, one hundred three".
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