Base | Representation |
---|---|
bin | 1000010001010100… |
… | …0011110110011101 |
3 | 12201201112102220212 |
4 | 2010111003312131 |
5 | 14021322111214 |
6 | 1004144422205 |
7 | 106005436361 |
oct | 20425036635 |
9 | 5651472825 |
10 | 2220113309 |
11 | a3a217a97 |
12 | 51b617965 |
13 | 294c5451b |
14 | 170bd52a1 |
15 | ced9153e |
hex | 84543d9d |
2220113309 has 2 divisors, whose sum is σ = 2220113310. Its totient is φ = 2220113308.
The previous prime is 2220113297. The next prime is 2220113333. The reversal of 2220113309 is 9033110222.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1469188900 + 750924409 = 38330^2 + 27403^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2220113309 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2220113339) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110056654 + 1110056655.
It is an arithmetic number, because the mean of its divisors is an integer number (1110056655).
Almost surely, 22220113309 is an apocalyptic number.
It is an amenable number.
2220113309 is a deficient number, since it is larger than the sum of its proper divisors (1).
2220113309 is an equidigital number, since it uses as much as digits as its factorization.
2220113309 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 648, while the sum is 23.
The square root of 2220113309 is about 47118.0783670132. The cubic root of 2220113309 is about 1304.5429439284.
The spelling of 2220113309 in words is "two billion, two hundred twenty million, one hundred thirteen thousand, three hundred nine".
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