Base | Representation |
---|---|
bin | 10110101110011110… |
… | …11000111010100011 |
3 | 1011111022110120212111 |
4 | 23113033120322203 |
5 | 144441433221433 |
6 | 5334411140151 |
7 | 611232246235 |
oct | 132717307243 |
9 | 34438416774 |
10 | 12201070243 |
11 | 51a120572a |
12 | 2446144657 |
13 | 11c5a04cbb |
14 | 83a5dc255 |
15 | 4b623bdcd |
hex | 2d73d8ea3 |
12201070243 has 2 divisors, whose sum is σ = 12201070244. Its totient is φ = 12201070242.
The previous prime is 12201070237. The next prime is 12201070261. The reversal of 12201070243 is 34207010221.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12201070243 - 213 = 12201062051 is a prime.
It is a super-2 number, since 2×122010702432 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (12201070223) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100535121 + 6100535122.
It is an arithmetic number, because the mean of its divisors is an integer number (6100535122).
Almost surely, 212201070243 is an apocalyptic number.
12201070243 is a deficient number, since it is larger than the sum of its proper divisors (1).
12201070243 is an equidigital number, since it uses as much as digits as its factorization.
12201070243 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 672, while the sum is 22.
Adding to 12201070243 its reverse (34207010221), we get a palindrome (46408080464).
The spelling of 12201070243 in words is "twelve billion, two hundred one million, seventy thousand, two hundred forty-three".
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