Base | Representation |
---|---|
bin | 111110101001101… |
… | …0101100011001111 |
3 | 12102111200220002022 |
4 | 1331103111203033 |
5 | 13301132033012 |
6 | 544333520355 |
7 | 103044404135 |
oct | 17523254317 |
9 | 5374626068 |
10 | 2102221007 |
11 | 989715837 |
12 | 4a80430bb |
13 | 2766b7a73 |
14 | 15d2a7755 |
15 | c4855472 |
hex | 7d4d58cf |
2102221007 has 2 divisors, whose sum is σ = 2102221008. Its totient is φ = 2102221006.
The previous prime is 2102220973. The next prime is 2102221013. The reversal of 2102221007 is 7001222012.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2102221007 - 28 = 2102220751 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2102221607) 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, 1051110503 + 1051110504.
It is an arithmetic number, because the mean of its divisors is an integer number (1051110504).
Almost surely, 22102221007 is an apocalyptic number.
2102221007 is a deficient number, since it is larger than the sum of its proper divisors (1).
2102221007 is an equidigital number, since it uses as much as digits as its factorization.
2102221007 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 112, while the sum is 17.
The square root of 2102221007 is about 45849.9837186449. The cubic root of 2102221007 is about 1281.0304623193.
Adding to 2102221007 its reverse (7001222012), we get a palindrome (9103443019).
The spelling of 2102221007 in words is "two billion, one hundred two million, two hundred twenty-one thousand, seven".
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