Base | Representation |
---|---|
bin | 10001110000100000111… |
… | …011001111010011111101 |
3 | 11022122212102020011211022 |
4 | 101300200323033103331 |
5 | 124443210204042224 |
6 | 2332335251233525 |
7 | 154110513206666 |
oct | 21604073172375 |
9 | 4278772204738 |
10 | 1220323112189 |
11 | 430599646085 |
12 | 17860b8a88a5 |
13 | 8b0cabc328c |
14 | 430c76bc36d |
15 | 21b23ecd65e |
hex | 11c20ecf4fd |
1220323112189 has 2 divisors, whose sum is σ = 1220323112190. Its totient is φ = 1220323112188.
The previous prime is 1220323112179. The next prime is 1220323112213. The reversal of 1220323112189 is 9812113230221.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 917300386564 + 303022725625 = 957758^2 + 550475^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1220323112189 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1220323112119) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610161556094 + 610161556095.
It is an arithmetic number, because the mean of its divisors is an integer number (610161556095).
Almost surely, 21220323112189 is an apocalyptic number.
It is an amenable number.
1220323112189 is a deficient number, since it is larger than the sum of its proper divisors (1).
1220323112189 is an equidigital number, since it uses as much as digits as its factorization.
1220323112189 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 10368, while the sum is 35.
The spelling of 1220323112189 in words is "one trillion, two hundred twenty billion, three hundred twenty-three million, one hundred twelve thousand, one hundred eighty-nine".
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