Base | Representation |
---|---|
bin | 10100111001110010… |
… | …10101101101001001 |
3 | 1001222002120101222022 |
4 | 22130321111231021 |
5 | 140440341231101 |
6 | 5053322534225 |
7 | 545045136332 |
oct | 123471255511 |
9 | 31862511868 |
10 | 11222211401 |
11 | 4839711585 |
12 | 2212367375 |
13 | 109ac8a79b |
14 | 7865d5289 |
15 | 45a334a1b |
hex | 29ce55b49 |
11222211401 has 2 divisors, whose sum is σ = 11222211402. Its totient is φ = 11222211400.
The previous prime is 11222211373. The next prime is 11222211443. The reversal of 11222211401 is 10411222211.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 10375459600 + 846751801 = 101860^2 + 29099^2 .
It is a cyclic number.
It is not a de Polignac number, because 11222211401 - 230 = 10148469577 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 11222211401.
It is not a weakly prime, because it can be changed into another prime (11222211491) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611105700 + 5611105701.
It is an arithmetic number, because the mean of its divisors is an integer number (5611105701).
Almost surely, 211222211401 is an apocalyptic number.
It is an amenable number.
11222211401 is a deficient number, since it is larger than the sum of its proper divisors (1).
11222211401 is an equidigital number, since it uses as much as digits as its factorization.
11222211401 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 11222211401 its reverse (10411222211), we get a palindrome (21633433612).
The spelling of 11222211401 in words is "eleven billion, two hundred twenty-two million, two hundred eleven thousand, four hundred one".
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