Base | Representation |
---|---|
bin | 100111101001001… |
… | …1001100000100001 |
3 | 10102201001100002121 |
4 | 1033102121200201 |
5 | 10211014120022 |
6 | 335555144241 |
7 | 44651465365 |
oct | 11722314041 |
9 | 3381040077 |
10 | 1330223137 |
11 | 622970371 |
12 | 3115a5081 |
13 | 18278a6a9 |
14 | c894b2a5 |
15 | 7bbb02c7 |
hex | 4f499821 |
1330223137 has 2 divisors, whose sum is σ = 1330223138. Its totient is φ = 1330223136.
The previous prime is 1330223087. The next prime is 1330223171. The reversal of 1330223137 is 7313220331.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1292474401 + 37748736 = 35951^2 + 6144^2 .
It is an emirp because it is prime and its reverse (7313220331) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1330223137 - 211 = 1330221089 is a prime.
It is not a weakly prime, because it can be changed into another prime (1330223537) 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, 665111568 + 665111569.
It is an arithmetic number, because the mean of its divisors is an integer number (665111569).
Almost surely, 21330223137 is an apocalyptic number.
It is an amenable number.
1330223137 is a deficient number, since it is larger than the sum of its proper divisors (1).
1330223137 is an equidigital number, since it uses as much as digits as its factorization.
1330223137 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2268, while the sum is 25.
The square root of 1330223137 is about 36472.2241849877. The cubic root of 1330223137 is about 1099.7859465034.
Adding to 1330223137 its reverse (7313220331), we get a palindrome (8643443468).
The spelling of 1330223137 in words is "one billion, three hundred thirty million, two hundred twenty-three thousand, one hundred thirty-seven".
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