Base | Representation |
---|---|
bin | 10110100101000101… |
… | …01000110110111011 |
3 | 1011021211010002200000 |
4 | 23102202220312323 |
5 | 144311242331303 |
6 | 5322513244043 |
7 | 606254154006 |
oct | 132242506673 |
9 | 34254102600 |
10 | 12122230203 |
11 | 5160756a76 |
12 | 2423863623 |
13 | 11b258c8a5 |
14 | 82dd5853d |
15 | 4ae366da3 |
hex | 2d28a8dbb |
12122230203 has 48 divisors (see below), whose sum is σ = 18483803520. Its totient is φ = 7937398656.
The previous prime is 12122230199. The next prime is 12122230243. The reversal of 12122230203 is 30203222121.
It is not a de Polignac number, because 12122230203 - 22 = 12122230199 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12122230243) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6820851 + ... + 6822627.
It is an arithmetic number, because the mean of its divisors is an integer number (385079240).
Almost surely, 212122230203 is an apocalyptic number.
12122230203 is a deficient number, since it is larger than the sum of its proper divisors (6361573317).
12122230203 is an equidigital number, since it uses as much as digits as its factorization.
12122230203 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2278 (or 2266 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 12122230203 its reverse (30203222121), we get a palindrome (42325452324).
The spelling of 12122230203 in words is "twelve billion, one hundred twenty-two million, two hundred thirty thousand, two hundred three".
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