Base | Representation |
---|---|
bin | 10110101111101100… |
… | …00010101101011111 |
3 | 1011112000112101021111 |
4 | 23113312002231133 |
5 | 200002031443121 |
6 | 5335412242451 |
7 | 611414340445 |
oct | 132766025537 |
9 | 34460471244 |
10 | 12211202911 |
11 | 51a69a6536 |
12 | 2449610427 |
13 | 11c7b4206b |
14 | 83bab8b95 |
15 | 4b708e2e1 |
hex | 2d7d82b5f |
12211202911 has 2 divisors, whose sum is σ = 12211202912. Its totient is φ = 12211202910.
The previous prime is 12211202881. The next prime is 12211202947. The reversal of 12211202911 is 11920211221.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12211202911 - 25 = 12211202879 is a prime.
It is a super-3 number, since 3×122112029113 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12211202951) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105601455 + 6105601456.
It is an arithmetic number, because the mean of its divisors is an integer number (6105601456).
Almost surely, 212211202911 is an apocalyptic number.
12211202911 is a deficient number, since it is larger than the sum of its proper divisors (1).
12211202911 is an equidigital number, since it uses as much as digits as its factorization.
12211202911 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 144, while the sum is 22.
The spelling of 12211202911 in words is "twelve billion, two hundred eleven million, two hundred two thousand, nine hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •