Base | Representation |
---|---|
bin | 111100001101010… |
… | …0010010111001001 |
3 | 12012210101221011012 |
4 | 1320122202113021 |
5 | 13114134104114 |
6 | 532244213305 |
7 | 101030415152 |
oct | 17032422711 |
9 | 5183357135 |
10 | 2020222409 |
11 | 9473a9aa7 |
12 | 48469a235 |
13 | 262707a9a |
14 | 152440929 |
15 | bc55963e |
hex | 786a25c9 |
2020222409 has 2 divisors, whose sum is σ = 2020222410. Its totient is φ = 2020222408.
The previous prime is 2020222357. The next prime is 2020222417. The reversal of 2020222409 is 9042220202.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1539385225 + 480837184 = 39235^2 + 21928^2 .
It is a cyclic number.
It is not a de Polignac number, because 2020222409 - 28 = 2020222153 is a prime.
It is not a weakly prime, because it can be changed into another prime (2020222429) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010111204 + 1010111205.
It is an arithmetic number, because the mean of its divisors is an integer number (1010111205).
Almost surely, 22020222409 is an apocalyptic number.
It is an amenable number.
2020222409 is a deficient number, since it is larger than the sum of its proper divisors (1).
2020222409 is an equidigital number, since it uses as much as digits as its factorization.
2020222409 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1152, while the sum is 23.
The square root of 2020222409 is about 44946.8843080363. The cubic root of 2020222409 is about 1264.1532573428.
The spelling of 2020222409 in words is "two billion, twenty million, two hundred twenty-two thousand, four hundred nine".
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