Base | Representation |
---|---|
bin | 100000010110100111110… |
… | …010000100110011011101 |
3 | 21212112202111200100111202 |
4 | 200112213302010303131 |
5 | 242411321112421411 |
6 | 4421213105525245 |
7 | 316425524542613 |
oct | 40264762046335 |
9 | 7775674610452 |
10 | 2223313013981 |
11 | 7879a1264494 |
12 | 2baa87043825 |
13 | 131871748b77 |
14 | 79874c5d6b3 |
15 | 3cc77e9183b |
hex | 205a7c84cdd |
2223313013981 has 2 divisors, whose sum is σ = 2223313013982. Its totient is φ = 2223313013980.
The previous prime is 2223313013963. The next prime is 2223313014047. The reversal of 2223313013981 is 1893103133222.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1940811196900 + 282501817081 = 1393130^2 + 531509^2 .
It is a cyclic number.
It is not a de Polignac number, because 2223313013981 - 230 = 2222239272157 is a prime.
It is a super-2 number, since 2×22233130139812 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2223313013941) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111656506990 + 1111656506991.
It is an arithmetic number, because the mean of its divisors is an integer number (1111656506991).
Almost surely, 22223313013981 is an apocalyptic number.
It is an amenable number.
2223313013981 is a deficient number, since it is larger than the sum of its proper divisors (1).
2223313013981 is an equidigital number, since it uses as much as digits as its factorization.
2223313013981 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 46656, while the sum is 38.
The spelling of 2223313013981 in words is "two trillion, two hundred twenty-three billion, three hundred thirteen million, thirteen thousand, nine hundred eighty-one".
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