Base | Representation |
---|---|
bin | 111110000001101… |
… | …1010000111111111 |
3 | 12101001021101021021 |
4 | 1330003122013333 |
5 | 13230301040343 |
6 | 542304445011 |
7 | 102401326246 |
oct | 17403320777 |
9 | 5331241237 |
10 | 2081268223 |
11 | 978904691 |
12 | 4a1019767 |
13 | 27225ca78 |
14 | 15a5b195d |
15 | c2ab70ed |
hex | 7c0da1ff |
2081268223 has 2 divisors, whose sum is σ = 2081268224. Its totient is φ = 2081268222.
The previous prime is 2081268221. The next prime is 2081268251. The reversal of 2081268223 is 3228621802.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2081268223 - 21 = 2081268221 is a prime.
Together with 2081268221, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2081268221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1040634111 + 1040634112.
It is an arithmetic number, because the mean of its divisors is an integer number (1040634112).
Almost surely, 22081268223 is an apocalyptic number.
2081268223 is a deficient number, since it is larger than the sum of its proper divisors (1).
2081268223 is an equidigital number, since it uses as much as digits as its factorization.
2081268223 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 18432, while the sum is 34.
The square root of 2081268223 is about 45620.9186996492. The cubic root of 2081268223 is about 1276.7602442010.
The spelling of 2081268223 in words is "two billion, eighty-one million, two hundred sixty-eight thousand, two hundred twenty-three".
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