Base | Representation |
---|---|
bin | 1000010100011111… |
… | …0111000011000001 |
3 | 12202122121000021101 |
4 | 2011013313003001 |
5 | 14033224231314 |
6 | 1005342054401 |
7 | 106226562223 |
oct | 20507670301 |
9 | 5678530241 |
10 | 2233430209 |
11 | a4679319a |
12 | 523b7a401 |
13 | 297937a4a |
14 | 1728a0413 |
15 | d1122174 |
hex | 851f70c1 |
2233430209 has 2 divisors, whose sum is σ = 2233430210. Its totient is φ = 2233430208.
The previous prime is 2233430207. The next prime is 2233430231. The reversal of 2233430209 is 9020343322.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1554567184 + 678863025 = 39428^2 + 26055^2 .
It is a cyclic number.
It is not a de Polignac number, because 2233430209 - 21 = 2233430207 is a prime.
Together with 2233430207, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (2233430201) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1116715104 + 1116715105.
It is an arithmetic number, because the mean of its divisors is an integer number (1116715105).
Almost surely, 22233430209 is an apocalyptic number.
It is an amenable number.
2233430209 is a deficient number, since it is larger than the sum of its proper divisors (1).
2233430209 is an equidigital number, since it uses as much as digits as its factorization.
2233430209 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 7776, while the sum is 28.
The square root of 2233430209 is about 47259.1812138128. The cubic root of 2233430209 is about 1307.1460915655.
The spelling of 2233430209 in words is "two billion, two hundred thirty-three million, four hundred thirty thousand, two hundred nine".
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