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215245414313 is a prime number
BaseRepresentation
bin1100100001110110100…
…0000101111110101001
3202120120211012222022222
43020131220011332221
512011310311224223
6242514332123425
721356660556026
oct3103550057651
9676524188288
10215245414313
1183315474666
1235871306575
13173b39635a7
14a5bcb4a54d
1558ebab40c8
hex321da05fa9

215245414313 has 2 divisors, whose sum is σ = 215245414314. Its totient is φ = 215245414312.

The previous prime is 215245414309. The next prime is 215245414327. The reversal of 215245414313 is 313414542512.

215245414313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191500761664 + 23744652649 = 437608^2 + 154093^2 .

It is a cyclic number.

It is not a de Polignac number, because 215245414313 - 22 = 215245414309 is a prime.

It is not a weakly prime, because it can be changed into another prime (215245414333) 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, 107622707156 + 107622707157.

It is an arithmetic number, because the mean of its divisors is an integer number (107622707157).

Almost surely, 2215245414313 is an apocalyptic number.

It is an amenable number.

215245414313 is a deficient number, since it is larger than the sum of its proper divisors (1).

215245414313 is an equidigital number, since it uses as much as digits as its factorization.

215245414313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57600, while the sum is 35.

Adding to 215245414313 its reverse (313414542512), we get a palindrome (528659956825).

The spelling of 215245414313 in words is "two hundred fifteen billion, two hundred forty-five million, four hundred fourteen thousand, three hundred thirteen".