Base | Representation |
---|---|
bin | 1110011100110… |
… | …11010001111011 |
3 | 22110002201200121 |
4 | 13032123101323 |
5 | 222013103032 |
6 | 20010114111 |
7 | 3001241455 |
oct | 716332173 |
9 | 273081617 |
10 | 121222267 |
11 | 624770a1 |
12 | 3471b937 |
13 | 1c16436a |
14 | 121572d5 |
15 | a997a97 |
hex | 739b47b |
121222267 has 8 divisors (see below), whose sum is σ = 123119424. Its totient is φ = 119331648.
The previous prime is 121222253. The next prime is 121222273. The reversal of 121222267 is 762222121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 121222267 - 223 = 112833659 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (121222237) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46398 + ... + 48940.
It is an arithmetic number, because the mean of its divisors is an integer number (15389928).
Almost surely, 2121222267 is an apocalyptic number.
121222267 is a deficient number, since it is larger than the sum of its proper divisors (1897157).
121222267 is an equidigital number, since it uses as much as digits as its factorization.
121222267 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3269.
The product of its digits is 1344, while the sum is 25.
The square root of 121222267 is about 11010.0984100961. The cubic root of 121222267 is about 494.9114108715.
Adding to 121222267 its reverse (762222121), we get a palindrome (883444388).
The spelling of 121222267 in words is "one hundred twenty-one million, two hundred twenty-two thousand, two hundred sixty-seven".
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