Base | Representation |
---|---|
bin | 111000111010001101… |
… | …0001111011010011111 |
3 | 102200110011122221222002 |
4 | 1301310122033122133 |
5 | 4000242300321343 |
6 | 132050553512515 |
7 | 11554346611334 |
oct | 1616432173237 |
9 | 380404587862 |
10 | 122212120223 |
11 | 47914612856 |
12 | 1b82871273b |
13 | b6a85a064b |
14 | 5cb505a98b |
15 | 32a42b88b8 |
hex | 1c7468f69f |
122212120223 has 4 divisors (see below), whose sum is σ = 122217795360. Its totient is φ = 122206445088.
The previous prime is 122212120211. The next prime is 122212120273. The reversal of 122212120223 is 322021212221.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 122212120223 - 26 = 122212120159 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 122212120195 and 122212120204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122212120273) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2805143 + ... + 2848376.
It is an arithmetic number, because the mean of its divisors is an integer number (30554448840).
Almost surely, 2122212120223 is an apocalyptic number.
122212120223 is a deficient number, since it is larger than the sum of its proper divisors (5675137).
122212120223 is an equidigital number, since it uses as much as digits as its factorization.
122212120223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5675136.
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 122212120223 its reverse (322021212221), we get a palindrome (444233332444).
The spelling of 122212120223 in words is "one hundred twenty-two billion, two hundred twelve million, one hundred twenty thousand, two hundred twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •