Base | Representation |
---|---|
bin | 111100001101010… |
… | …0010010011101101 |
3 | 12012210101220212001 |
4 | 1320122202103231 |
5 | 13114134102224 |
6 | 532244212301 |
7 | 101030414416 |
oct | 17032422355 |
9 | 5183356761 |
10 | 2020222189 |
11 | 9473a9917 |
12 | 48469a091 |
13 | 26270795b |
14 | 15244080d |
15 | bc559544 |
hex | 786a24ed |
2020222189 has 2 divisors, whose sum is σ = 2020222190. Its totient is φ = 2020222188.
The previous prime is 2020222159. The next prime is 2020222223. The reversal of 2020222189 is 9812220202.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1408500900 + 611721289 = 37530^2 + 24733^2 .
It is a cyclic number.
It is not a de Polignac number, because 2020222189 - 213 = 2020213997 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2020222109) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010111094 + 1010111095.
It is an arithmetic number, because the mean of its divisors is an integer number (1010111095).
Almost surely, 22020222189 is an apocalyptic number.
It is an amenable number.
2020222189 is a deficient number, since it is larger than the sum of its proper divisors (1).
2020222189 is an equidigital number, since it uses as much as digits as its factorization.
2020222189 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2304, while the sum is 28.
The square root of 2020222189 is about 44946.8818607031. The cubic root of 2020222189 is about 1264.1532114545.
The spelling of 2020222189 in words is "two billion, twenty million, two hundred twenty-two thousand, one hundred eighty-nine".
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