Base | Representation |
---|---|
bin | 1011010010101100… |
… | …1100000001000101 |
3 | 21211020202221112021 |
4 | 2310223030001011 |
5 | 22201443022133 |
6 | 1220441323141 |
7 | 135054642643 |
oct | 26453140105 |
9 | 7736687467 |
10 | 3031220293 |
11 | 1316054742 |
12 | 7071964b1 |
13 | 393cc5a9a |
14 | 20a812193 |
15 | 12b1ae52d |
hex | b4acc045 |
3031220293 has 2 divisors, whose sum is σ = 3031220294. Its totient is φ = 3031220292.
The previous prime is 3031220287. The next prime is 3031220317. The reversal of 3031220293 is 3920221303.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 3022470529 + 8749764 = 54977^2 + 2958^2 .
It is a cyclic number.
It is not a de Polignac number, because 3031220293 - 25 = 3031220261 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (3031220243) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1515610146 + 1515610147.
It is an arithmetic number, because the mean of its divisors is an integer number (1515610147).
Almost surely, 23031220293 is an apocalyptic number.
It is an amenable number.
3031220293 is a deficient number, since it is larger than the sum of its proper divisors (1).
3031220293 is an equidigital number, since it uses as much as digits as its factorization.
3031220293 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1944, while the sum is 25.
The square root of 3031220293 is about 55056.5190781255. The cubic root of 3031220293 is about 1447.2353652298.
Adding to 3031220293 its reverse (3920221303), we get a palindrome (6951441596).
It can be divided in two parts, 30312 and 20293, that added together give a palindrome (50605).
The spelling of 3031220293 in words is "three billion, thirty-one million, two hundred twenty thousand, two hundred ninety-three".
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