Base | Representation |
---|---|
bin | 10110110000110111… |
… | …00001111011110101 |
3 | 1011112201000122200200 |
4 | 23120123201323311 |
5 | 200012040431013 |
6 | 5340403031113 |
7 | 611564020314 |
oct | 133033417365 |
9 | 34481018620 |
10 | 12221030133 |
11 | 52014a8904 |
12 | 245096b499 |
13 | 11c9ba30a0 |
14 | 83d11627b |
15 | 4b7d80e73 |
hex | 2d86e1ef5 |
12221030133 has 12 divisors (see below), whose sum is σ = 19010491500. Its totient is φ = 7520633856.
The previous prime is 12221030123. The next prime is 12221030137. The reversal of 12221030133 is 33103012221.
12221030133 is a `hidden beast` number, since 122 + 210 + 301 + 33 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 7875320049 + 4345710084 = 88743^2 + 65922^2 .
It is not a de Polignac number, because 12221030133 - 218 = 12220767989 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12221030137) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52226508 + ... + 52226741.
It is an arithmetic number, because the mean of its divisors is an integer number (1584207625).
Almost surely, 212221030133 is an apocalyptic number.
12221030133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
12221030133 is a deficient number, since it is larger than the sum of its proper divisors (6789461367).
12221030133 is a wasteful number, since it uses less digits than its factorization.
12221030133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 104453268 (or 104453265 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 12221030133 its reverse (33103012221), we get a palindrome (45324042354).
The spelling of 12221030133 in words is "twelve billion, two hundred twenty-one million, thirty thousand, one hundred thirty-three".
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