Base | Representation |
---|---|
bin | 10110100010110100… |
… | …00111111111010011 |
3 | 1011020111100100012222 |
4 | 23101122013333103 |
5 | 144241411034303 |
6 | 5320554011255 |
7 | 605633453123 |
oct | 132132077723 |
9 | 34214310188 |
10 | 12103221203 |
11 | 5150a53257 |
12 | 2419416b2b |
13 | 11ab665568 |
14 | 82b60ac83 |
15 | 4ac85e938 |
hex | 2d1687fd3 |
12103221203 has 2 divisors, whose sum is σ = 12103221204. Its totient is φ = 12103221202.
The previous prime is 12103221167. The next prime is 12103221257. The reversal of 12103221203 is 30212230121.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12103221203 - 220 = 12102172627 is a prime.
It is not a weakly prime, because it can be changed into another prime (12103221503) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051610601 + 6051610602.
It is an arithmetic number, because the mean of its divisors is an integer number (6051610602).
Almost surely, 212103221203 is an apocalyptic number.
12103221203 is a deficient number, since it is larger than the sum of its proper divisors (1).
12103221203 is an equidigital number, since it uses as much as digits as its factorization.
12103221203 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 12103221203 its reverse (30212230121), we get a palindrome (42315451324).
The spelling of 12103221203 in words is "twelve billion, one hundred three million, two hundred twenty-one thousand, two hundred three".
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