Base | Representation |
---|---|
bin | 100000010101100110001… |
… | …111000010101011111111 |
3 | 21212102220212101122221021 |
4 | 200111212033002223333 |
5 | 242402043101424411 |
6 | 4420512023245011 |
7 | 316356342325264 |
oct | 40254617025377 |
9 | 7772825348837 |
10 | 2222213311231 |
11 | 787487532541 |
12 | 2ba81a8a9767 |
13 | 131727970594 |
14 | 797acb9b26b |
15 | 3cc11668a71 |
hex | 205663c2aff |
2222213311231 has 2 divisors, whose sum is σ = 2222213311232. Its totient is φ = 2222213311230.
The previous prime is 2222213311217. The next prime is 2222213311261. The reversal of 2222213311231 is 1321133122222.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2222213311231 - 215 = 2222213278463 is a prime.
It is a super-2 number, since 2×22222133112312 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2222213311196 and 2222213311205.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2222213311261) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111106655615 + 1111106655616.
It is an arithmetic number, because the mean of its divisors is an integer number (1111106655616).
Almost surely, 22222213311231 is an apocalyptic number.
2222213311231 is a deficient number, since it is larger than the sum of its proper divisors (1).
2222213311231 is an equidigital number, since it uses as much as digits as its factorization.
2222213311231 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1728, while the sum is 25.
Adding to 2222213311231 its reverse (1321133122222), we get a palindrome (3543346433453).
The spelling of 2222213311231 in words is "two trillion, two hundred twenty-two billion, two hundred thirteen million, three hundred eleven thousand, two hundred thirty-one".
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