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2162137213 is a prime number
BaseRepresentation
bin1000000011011111…
…1001100001111101
312120200102221200001
42000313321201331
513412001342323
6554314034301
7104402602015
oct20067714175
95520387601
102162137213
11a0a519765
12504118991
13285c35842
14167222c45
15c9c3d3ad
hex80df987d

2162137213 has 2 divisors, whose sum is σ = 2162137214. Its totient is φ = 2162137212.

The previous prime is 2162137183. The next prime is 2162137297. The reversal of 2162137213 is 3127312612.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2095991524 + 66145689 = 45782^2 + 8133^2 .

It is a cyclic number.

It is not a de Polignac number, because 2162137213 - 229 = 1625266301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2162132213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081068606 + 1081068607.

It is an arithmetic number, because the mean of its divisors is an integer number (1081068607).

Almost surely, 22162137213 is an apocalyptic number.

It is an amenable number.

2162137213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2162137213 is an equidigital number, since it uses as much as digits as its factorization.

2162137213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 28.

The square root of 2162137213 is about 46498.7872207437. The cubic root of 2162137213 is about 1293.0870147621.

Adding to 2162137213 its reverse (3127312612), we get a palindrome (5289449825).

The spelling of 2162137213 in words is "two billion, one hundred sixty-two million, one hundred thirty-seven thousand, two hundred thirteen".