Search a number
-
+
13223302349 is a prime number
BaseRepresentation
bin11000101000010101…
…11001010011001101
31021010112222100200212
430110022321103031
5204040131133344
610024045132205
7645454133615
oct142412712315
937115870625
1013223302349
115676233854
12269055a065
13132972757a
148d6295a45
15525d6079e
hex3142b94cd

13223302349 has 2 divisors, whose sum is σ = 13223302350. Its totient is φ = 13223302348.

The previous prime is 13223302331. The next prime is 13223302381. The reversal of 13223302349 is 94320332231.

It is an a-pointer prime, because the next prime (13223302381) can be obtained adding 13223302349 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9586368100 + 3636934249 = 97910^2 + 60307^2 .

It is an emirp because it is prime and its reverse (94320332231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13223302349 - 28 = 13223302093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13223302319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6611651174 + 6611651175.

It is an arithmetic number, because the mean of its divisors is an integer number (6611651175).

Almost surely, 213223302349 is an apocalyptic number.

It is an amenable number.

13223302349 is a deficient number, since it is larger than the sum of its proper divisors (1).

13223302349 is an equidigital number, since it uses as much as digits as its factorization.

13223302349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 32.

The spelling of 13223302349 in words is "thirteen billion, two hundred twenty-three million, three hundred two thousand, three hundred forty-nine".