Base | Representation |
---|---|
bin | 10001110010010001011… |
… | …101010110001000100111 |
3 | 11022211201222210221220002 |
4 | 101302101131112020213 |
5 | 130011042020214343 |
6 | 2333250453331515 |
7 | 154205346643130 |
oct | 21622135261047 |
9 | 4284658727802 |
10 | 1222211101223 |
11 | 4313783381a2 |
12 | 178a58036b9b |
13 | 8b33c0acb58 |
14 | 4322633ac87 |
15 | 21bd4b178b8 |
hex | 11c91756227 |
1222211101223 has 8 divisors (see below), whose sum is σ = 1444978642080. Its totient is φ = 1011485049120.
The previous prime is 1222211101201. The next prime is 1222211101229. The reversal of 1222211101223 is 3221011122221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1222211101223 - 218 = 1222210839079 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1222211101195 and 1222211101204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1222211101229) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3010371968 + ... + 3010372373.
It is an arithmetic number, because the mean of its divisors is an integer number (180622330260).
Almost surely, 21222211101223 is an apocalyptic number.
1222211101223 is a deficient number, since it is larger than the sum of its proper divisors (222767540857).
1222211101223 is an equidigital number, since it uses as much as digits as its factorization.
1222211101223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6020744377.
The product of its (nonzero) digits is 192, while the sum is 20.
Adding to 1222211101223 its reverse (3221011122221), we get a palindrome (4443222223444).
The spelling of 1222211101223 in words is "one trillion, two hundred twenty-two billion, two hundred eleven million, one hundred one thousand, two hundred twenty-three".
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