Base | Representation |
---|---|
bin | 10100111000100110… |
… | …01010100010101111 |
3 | 1001221101201222200111 |
4 | 22130103022202233 |
5 | 140430311013312 |
6 | 5052324240451 |
7 | 544564110001 |
oct | 123423124257 |
9 | 31841658614 |
10 | 11212204207 |
11 | 4833aa6a76 |
12 | 220ab40127 |
13 | 1098b95879 |
14 | 78514c371 |
15 | 4595098a7 |
hex | 29c4ca8af |
11212204207 has 2 divisors, whose sum is σ = 11212204208. Its totient is φ = 11212204206.
The previous prime is 11212204193. The next prime is 11212204273. The reversal of 11212204207 is 70240221211.
11212204207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is an emirp because it is prime and its reverse (70240221211) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 11212204207 - 27 = 11212204079 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (11212204907) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606102103 + 5606102104.
It is an arithmetic number, because the mean of its divisors is an integer number (5606102104).
Almost surely, 211212204207 is an apocalyptic number.
11212204207 is a deficient number, since it is larger than the sum of its proper divisors (1).
11212204207 is an equidigital number, since it uses as much as digits as its factorization.
11212204207 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 448, while the sum is 22.
Adding to 11212204207 its reverse (70240221211), we get a palindrome (81452425418).
The spelling of 11212204207 in words is "eleven billion, two hundred twelve million, two hundred four thousand, two hundred seven".
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