Base | Representation |
---|---|
bin | 111100001101001… |
… | …1101011011100001 |
3 | 12012210100220110001 |
4 | 1320122131123201 |
5 | 13114132432314 |
6 | 532243540001 |
7 | 101030302234 |
oct | 17032353341 |
9 | 5183326401 |
10 | 2020202209 |
11 | 947395903 |
12 | 48468a601 |
13 | 2626cb82c |
14 | 15243741b |
15 | bc553674 |
hex | 7869d6e1 |
2020202209 has 8 divisors (see below), whose sum is σ = 2056914728. Its totient is φ = 1983605760.
The previous prime is 2020202207. The next prime is 2020202237. The reversal of 2020202209 is 9022020202.
It can be written as a sum of positive squares in 4 ways, for example, as 46621584 + 1973580625 = 6828^2 + 44425^2 .
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 2020202209 - 21 = 2020202207 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2020202201) 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, 6499 + ... + 63895.
It is an arithmetic number, because the mean of its divisors is an integer number (257114341).
Almost surely, 22020202209 is an apocalyptic number.
It is an amenable number.
2020202209 is a deficient number, since it is larger than the sum of its proper divisors (36712519).
2020202209 is an equidigital number, since it uses as much as digits as its factorization.
2020202209 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58035.
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 2020202209 is about 44946.6595977944. The cubic root of 2020202209 is about 1264.1490439485.
The spelling of 2020202209 in words is "two billion, twenty million, two hundred two thousand, two hundred nine".
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