Base | Representation |
---|---|
bin | 10110110001111101… |
… | …00001011101000011 |
3 | 1011120100021200210000 |
4 | 23120332201131003 |
5 | 200021413000303 |
6 | 5341331411043 |
7 | 612035004051 |
oct | 133076413503 |
9 | 34510250700 |
10 | 12230203203 |
11 | 52066a3759 |
12 | 2453a53a83 |
13 | 11cba6543a |
14 | 8404231d1 |
15 | 4b8a93da3 |
hex | 2d8fa1743 |
12230203203 has 20 divisors (see below), whose sum is σ = 18614529648. Its totient is φ = 7999626960.
The previous prime is 12230203201. The next prime is 12230203213. The reversal of 12230203203 is 30230203221.
It is a happy number.
It is not a de Polignac number, because 12230203203 - 21 = 12230203201 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12230203201) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1420143 + ... + 1428728.
Almost surely, 212230203203 is an apocalyptic number.
12230203203 is a deficient number, since it is larger than the sum of its proper divisors (6384326445).
12230203203 is an equidigital number, since it uses as much as digits as its factorization.
12230203203 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2848936 (or 2848927 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 12230203203 its sum of digits (18), we get a palindrome (12230203221).
Adding to 12230203203 its reverse (30230203221), we get a palindrome (42460406424).
The spelling of 12230203203 in words is "twelve billion, two hundred thirty million, two hundred three thousand, two hundred three".
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