Base | Representation |
---|---|
bin | 1000010110110100… |
… | …1011011011110111 |
3 | 12210100000000210201 |
4 | 2011231023123313 |
5 | 14043230304142 |
6 | 1010331501331 |
7 | 106405665505 |
oct | 20555133367 |
9 | 5710000721 |
10 | 2243213047 |
11 | a51265189 |
12 | 5272b7847 |
13 | 2999817ca |
14 | 173cc9675 |
15 | d1e05ab7 |
hex | 85b4b6f7 |
2243213047 has 2 divisors, whose sum is σ = 2243213048. Its totient is φ = 2243213046.
The previous prime is 2243213003. The next prime is 2243213051. The reversal of 2243213047 is 7403123422.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2243213047 - 27 = 2243212919 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2243213347) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121606523 + 1121606524.
It is an arithmetic number, because the mean of its divisors is an integer number (1121606524).
Almost surely, 22243213047 is an apocalyptic number.
2243213047 is a deficient number, since it is larger than the sum of its proper divisors (1).
2243213047 is an equidigital number, since it uses as much as digits as its factorization.
2243213047 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 8064, while the sum is 28.
The square root of 2243213047 is about 47362.5701055169. The cubic root of 2243213047 is about 1309.0518257769.
Adding to 2243213047 its reverse (7403123422), we get a palindrome (9646336469).
The spelling of 2243213047 in words is "two billion, two hundred forty-three million, two hundred thirteen thousand, forty-seven".
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