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1330360205 = 5266072041
BaseRepresentation
bin100111101001011…
…1010111110001101
310102201022022010012
41033102322332031
510211033011310
6340002123005
744652606116
oct11722727615
93381268105
101330360205
11622a54349
12311650465
13182807bb5
14c898520d
157bbdac05
hex4f4baf8d

1330360205 has 4 divisors (see below), whose sum is σ = 1596432252. Its totient is φ = 1064288160.

The previous prime is 1330360201. The next prime is 1330360231. The reversal of 1330360205 is 5020630331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5020630331 = 24120832491.

It can be written as a sum of positive squares in 2 ways, for example, as 524822281 + 805537924 = 22909^2 + 28382^2 .

It is not a de Polignac number, because 1330360205 - 22 = 1330360201 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330360201) 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 in 3 ways as a sum of consecutive naturals, for example, 133036016 + ... + 133036025.

It is an arithmetic number, because the mean of its divisors is an integer number (399108063).

Almost surely, 21330360205 is an apocalyptic number.

It is an amenable number.

1330360205 is a deficient number, since it is larger than the sum of its proper divisors (266072047).

1330360205 is an equidigital number, since it uses as much as digits as its factorization.

1330360205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266072046.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 1330360205 is about 36474.1032103601. The cubic root of 1330360205 is about 1099.8237196856.

Adding to 1330360205 its reverse (5020630331), we get a palindrome (6350990536).

The spelling of 1330360205 in words is "one billion, three hundred thirty million, three hundred sixty thousand, two hundred five".

Divisors: 1 5 266072041 1330360205