Base | Representation |
---|---|
bin | 10100101001000001… |
… | …111101000001111001 |
3 | 2010012120222221121201 |
4 | 110221001331001321 |
5 | 330342240330312 |
6 | 14103122334201 |
7 | 1413140133406 |
oct | 245101750171 |
9 | 63176887551 |
10 | 22163214457 |
11 | 944361406a |
12 | 43664ba361 |
13 | 21228c98a7 |
14 | 11037092ad |
15 | 89ab1d557 |
hex | 52907d079 |
22163214457 has 2 divisors, whose sum is σ = 22163214458. Its totient is φ = 22163214456.
The previous prime is 22163214443. The next prime is 22163214461. The reversal of 22163214457 is 75441236122.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 21276306496 + 886907961 = 145864^2 + 29781^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-22163214457 is a prime.
It is not a weakly prime, because it can be changed into another prime (22163212457) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11081607228 + 11081607229.
It is an arithmetic number, because the mean of its divisors is an integer number (11081607229).
Almost surely, 222163214457 is an apocalyptic number.
It is an amenable number.
22163214457 is a deficient number, since it is larger than the sum of its proper divisors (1).
22163214457 is an equidigital number, since it uses as much as digits as its factorization.
22163214457 is an evil number, because the sum of its binary digits is even.
The product of its digits is 80640, while the sum is 37.
It can be divided in two parts, 2216321 and 4457, that added together give a triangular number (2220778 = T2107).
The spelling of 22163214457 in words is "twenty-two billion, one hundred sixty-three million, two hundred fourteen thousand, four hundred fifty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.087 sec. • engine limits •