Base | Representation |
---|---|
bin | 101101110000001010101011… |
… | …110110100010111001000111 |
3 | 222101110122102012022022201201 |
4 | 231300022223312202321013 |
5 | 202333310330330121411 |
6 | 1551544053531403331 |
7 | 60245550150511054 |
oct | 5560125366427107 |
9 | 871418365268651 |
10 | 201222101020231 |
11 | 5912a8a51a4015 |
12 | 1a69a2365b3547 |
13 | 8838216608845 |
14 | 37992b74a802b |
15 | 183e3ae1b03c1 |
hex | b702abda2e47 |
201222101020231 has 2 divisors, whose sum is σ = 201222101020232. Its totient is φ = 201222101020230.
The previous prime is 201222101020229. The next prime is 201222101020247. The reversal of 201222101020231 is 132020101222102.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 201222101020231 - 21 = 201222101020229 is a prime.
It is a super-2 number, since 2×2012221010202312 (a number of 29 digits) contains 22 as substring.
Together with 201222101020229, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 201222101020199 and 201222101020208.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (201222101020201) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100611050510115 + 100611050510116.
It is an arithmetic number, because the mean of its divisors is an integer number (100611050510116).
Almost surely, 2201222101020231 is an apocalyptic number.
201222101020231 is a deficient number, since it is larger than the sum of its proper divisors (1).
201222101020231 is an equidigital number, since it uses as much as digits as its factorization.
201222101020231 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 192, while the sum is 19.
Adding to 201222101020231 its reverse (132020101222102), we get a palindrome (333242202242333).
The spelling of 201222101020231 in words is "two hundred one trillion, two hundred twenty-two billion, one hundred one million, twenty thousand, two hundred thirty-one".
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