Base | Representation |
---|---|
bin | 10110110000110000… |
… | …11100001100101011 |
3 | 1011112122111111200021 |
4 | 23120120130030223 |
5 | 200011334021303 |
6 | 5340333421311 |
7 | 611554105102 |
oct | 133030341453 |
9 | 34478444607 |
10 | 12220220203 |
11 | 5200aa5344 |
12 | 245063a837 |
13 | 11c997b539 |
14 | 83cd85039 |
15 | 4b7c70ebd |
hex | 2d861c32b |
12220220203 has 12 divisors (see below), whose sum is σ = 12351862960. Its totient is φ = 12089743776.
The previous prime is 12220220171. The next prime is 12220220269. The reversal of 12220220203 is 30202202221.
It is not a de Polignac number, because 12220220203 - 25 = 12220220171 is a prime.
It is a super-2 number, since 2×122202202032 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12220230203) 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, 6852850 + ... + 6854632.
Almost surely, 212220220203 is an apocalyptic number.
12220220203 is a deficient number, since it is larger than the sum of its proper divisors (131642757).
12220220203 is an equidigital number, since it uses as much as digits as its factorization.
12220220203 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2358 (or 2185 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 16.
Adding to 12220220203 its reverse (30202202221), we get a palindrome (42422422424).
The spelling of 12220220203 in words is "twelve billion, two hundred twenty million, two hundred twenty thousand, two hundred three".
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