Base | Representation |
---|---|
bin | 10110110000111111… |
… | …11111110010110011 |
3 | 1011112210020010211112 |
4 | 23120133333302303 |
5 | 200012340413021 |
6 | 5340444103535 |
7 | 611606665046 |
oct | 133037776263 |
9 | 34483203745 |
10 | 12222201011 |
11 | 5202128579 |
12 | 2451234bab |
13 | 11ca1c3007 |
14 | 83d33cc5d |
15 | 4b8012d5b |
hex | 2d87ffcb3 |
12222201011 has 4 divisors (see below), whose sum is σ = 12422565024. Its totient is φ = 12021837000.
The previous prime is 12222200987. The next prime is 12222201029. The reversal of 12222201011 is 11010222221.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11010222221 = 809 ⋅13609669.
It is a cyclic number.
It is not a de Polignac number, because 12222201011 - 214 = 12222184627 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12222201911) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100181915 + ... + 100182036.
It is an arithmetic number, because the mean of its divisors is an integer number (3105641256).
Almost surely, 212222201011 is an apocalyptic number.
12222201011 is a deficient number, since it is larger than the sum of its proper divisors (200364013).
12222201011 is an equidigital number, since it uses as much as digits as its factorization.
12222201011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 200364012.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 12222201011 its reverse (11010222221), we get a palindrome (23232423232).
The spelling of 12222201011 in words is "twelve billion, two hundred twenty-two million, two hundred one thousand, eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •