Base | Representation |
---|---|
bin | 10110110000101111… |
… | …00110111110101111 |
3 | 1011112122002102122221 |
4 | 23120113212332233 |
5 | 200011310032343 |
6 | 5340325020211 |
7 | 611552206432 |
oct | 133027467657 |
9 | 34478072587 |
10 | 12220002223 |
11 | 52009665a0 |
12 | 2450554667 |
13 | 11c9903260 |
14 | 83cd29819 |
15 | 4b7c2b5ed |
hex | 2d85e6faf |
12220002223 has 32 divisors (see below), whose sum is σ = 14938136640. Its totient is φ = 9843133440.
The previous prime is 12220002191. The next prime is 12220002233. The reversal of 12220002223 is 32220002221.
It is a cyclic number.
It is not a de Polignac number, because 12220002223 - 25 = 12220002191 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12220002197 and 12220002206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12220002233) 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, 708915 + ... + 725947.
It is an arithmetic number, because the mean of its divisors is an integer number (466816770).
Almost surely, 212220002223 is an apocalyptic number.
12220002223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
12220002223 is a deficient number, since it is larger than the sum of its proper divisors (2718134417).
12220002223 is a wasteful number, since it uses less digits than its factorization.
12220002223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17259.
The product of its (nonzero) digits is 192, while the sum is 16.
Adding to 12220002223 its reverse (32220002221), we get a palindrome (44440004444).
The spelling of 12220002223 in words is "twelve billion, two hundred twenty million, two thousand, two hundred twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •