Base | Representation |
---|---|
bin | 11011110010010001101011… |
… | …011100011011111001110111 |
3 | 121000200102021021102000121221 |
4 | 123302101223130123321313 |
5 | 112004130112300402411 |
6 | 1111522530553251211 |
7 | 34511550510314203 |
oct | 3362215334337167 |
9 | 530612237360557 |
10 | 122202212122231 |
11 | 35a34737a3538a |
12 | 11857735703b07 |
13 | 5325808397377 |
14 | 2226893715b03 |
15 | e1db5edbb071 |
hex | 6f246b71be77 |
122202212122231 has 2 divisors, whose sum is σ = 122202212122232. Its totient is φ = 122202212122230.
The previous prime is 122202212122153. The next prime is 122202212122271. The reversal of 122202212122231 is 132221212202221.
It is a happy number.
It is a strong prime.
It is an emirp because it is prime and its reverse (132221212202221) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 122202212122231 - 217 = 122202211991159 is a prime.
It is a super-2 number, since 2×1222022121222312 (a number of 29 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 122202212122196 and 122202212122205.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (122202212122271) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61101106061115 + 61101106061116.
It is an arithmetic number, because the mean of its divisors is an integer number (61101106061116).
Almost surely, 2122202212122231 is an apocalyptic number.
122202212122231 is a deficient number, since it is larger than the sum of its proper divisors (1).
122202212122231 is an equidigital number, since it uses as much as digits as its factorization.
122202212122231 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1536, while the sum is 25.
Adding to 122202212122231 its reverse (132221212202221), we get a palindrome (254423424324452).
The spelling of 122202212122231 in words is "one hundred twenty-two trillion, two hundred two billion, two hundred twelve million, one hundred twenty-two thousand, two hundred thirty-one".
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