Base | Representation |
---|---|
bin | 100111010101101… |
… | …1100010111011011 |
3 | 10101222211111222201 |
4 | 1032223130113123 |
5 | 10200410324402 |
6 | 334552231031 |
7 | 44465624143 |
oct | 11653342733 |
9 | 3358744881 |
10 | 1320011227 |
11 | 618125a77 |
12 | 30a09b477 |
13 | 180623542 |
14 | c744d923 |
15 | 7ad44687 |
hex | 4eadc5db |
1320011227 has 2 divisors, whose sum is σ = 1320011228. Its totient is φ = 1320011226.
The previous prime is 1320011213. The next prime is 1320011233. The reversal of 1320011227 is 7221100231.
It is a strong prime.
It is an emirp because it is prime and its reverse (7221100231) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1320011227 - 211 = 1320009179 is a prime.
It is not a weakly prime, because it can be changed into another prime (1320011207) 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, 660005613 + 660005614.
It is an arithmetic number, because the mean of its divisors is an integer number (660005614).
Almost surely, 21320011227 is an apocalyptic number.
1320011227 is a deficient number, since it is larger than the sum of its proper divisors (1).
1320011227 is an equidigital number, since it uses as much as digits as its factorization.
1320011227 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 168, while the sum is 19.
The square root of 1320011227 is about 36331.9587553438. The cubic root of 1320011227 is about 1096.9644204738.
Adding to 1320011227 its reverse (7221100231), we get a palindrome (8541111458).
The spelling of 1320011227 in words is "one billion, three hundred twenty million, eleven thousand, two hundred twenty-seven".
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