Base | Representation |
---|---|
bin | 10110110000111111… |
… | …00111011011010101 |
3 | 1011112210001001221000 |
4 | 23120133213123111 |
5 | 200012324214310 |
6 | 5340442013513 |
7 | 611606101056 |
oct | 133037473325 |
9 | 34483031830 |
10 | 12222101205 |
11 | 520206a596 |
12 | 24511a7299 |
13 | 11ca189762 |
14 | 83d31472d |
15 | 4b7ee34c0 |
hex | 2d87e76d5 |
12222101205 has 32 divisors (see below), whose sum is σ = 21849609600. Its totient is φ = 6482025216.
The previous prime is 12222101197. The next prime is 12222101219. The reversal of 12222101205 is 50210122221.
It is not a de Polignac number, because 12222101205 - 23 = 12222101197 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228724 + ... + 277053.
It is an arithmetic number, because the mean of its divisors is an integer number (682800300).
Almost surely, 212222101205 is an apocalyptic number.
12222101205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12222101205 is a deficient number, since it is larger than the sum of its proper divisors (9627508395).
12222101205 is a wasteful number, since it uses less digits than its factorization.
12222101205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 505970 (or 505964 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 18.
Adding to 12222101205 its reverse (50210122221), we get a palindrome (62432223426).
The spelling of 12222101205 in words is "twelve billion, two hundred twenty-two million, one hundred one thousand, two hundred five".
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