Base | Representation |
---|---|
bin | 10100111000100110… |
… | …01100000000011001 |
3 | 1001221101202021220111 |
4 | 22130103030000121 |
5 | 140430311211301 |
6 | 5052324324321 |
7 | 544564133323 |
oct | 123423140031 |
9 | 31841667814 |
10 | 11212210201 |
11 | 4834000525 |
12 | 220ab436a1 |
13 | 1098b9850a |
14 | 785150613 |
15 | 45950b551 |
hex | 29c4cc019 |
11212210201 has 2 divisors, whose sum is σ = 11212210202. Its totient is φ = 11212210200.
The previous prime is 11212210183. The next prime is 11212210241. The reversal of 11212210201 is 10201221211.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 7871948176 + 3340262025 = 88724^2 + 57795^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-11212210201 is a prime.
It is not a weakly prime, because it can be changed into another prime (11212210241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606105100 + 5606105101.
It is an arithmetic number, because the mean of its divisors is an integer number (5606105101).
Almost surely, 211212210201 is an apocalyptic number.
It is an amenable number.
11212210201 is a deficient number, since it is larger than the sum of its proper divisors (1).
11212210201 is an equidigital number, since it uses as much as digits as its factorization.
11212210201 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 11212210201 its reverse (10201221211), we get a palindrome (21413431412).
The spelling of 11212210201 in words is "eleven billion, two hundred twelve million, two hundred ten thousand, two hundred one".
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