Base | Representation |
---|---|
bin | 1000001111011000… |
… | …1010000001001111 |
3 | 12201011021212011111 |
4 | 2003312022001033 |
5 | 14012233341421 |
6 | 1003255032451 |
7 | 105546535621 |
oct | 20366120117 |
9 | 5634255144 |
10 | 2212012111 |
11 | a35694491 |
12 | 51896b727 |
13 | 29337900a |
14 | 16dac6c11 |
15 | ce2e0ee1 |
hex | 83d8a04f |
2212012111 has 2 divisors, whose sum is σ = 2212012112. Its totient is φ = 2212012110.
The previous prime is 2212012079. The next prime is 2212012123. The reversal of 2212012111 is 1112102122.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2212012111 - 25 = 2212012079 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2212012091 and 2212012100.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2212012711) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106006055 + 1106006056.
It is an arithmetic number, because the mean of its divisors is an integer number (1106006056).
Almost surely, 22212012111 is an apocalyptic number.
2212012111 is a deficient number, since it is larger than the sum of its proper divisors (1).
2212012111 is an equidigital number, since it uses as much as digits as its factorization.
2212012111 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 16, while the sum is 13.
The square root of 2212012111 is about 47032.0328180699. The cubic root of 2212012111 is about 1302.9542500203.
Adding to 2212012111 its reverse (1112102122), we get a palindrome (3324114233).
The spelling of 2212012111 in words is "two billion, two hundred twelve million, twelve thousand, one hundred eleven".
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