Search a number
-
+
11212110347 is a prime number
BaseRepresentation
bin10100111000100101…
…10011101000001011
31001221101120012221012
422130102303220023
5140430300012342
65052322234135
7544563236234
oct123422635013
931841505835
1011212110347
114833a424a9
12220aab594b
131098b61c29
1478512608b
154594dbb82
hex29c4b3a0b

11212110347 has 2 divisors, whose sum is σ = 11212110348. Its totient is φ = 11212110346.

The previous prime is 11212110331. The next prime is 11212110359. The reversal of 11212110347 is 74301121211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11212110347 - 24 = 11212110331 is a prime.

It is a super-2 number, since 2×112121103472 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11212110047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606055173 + 5606055174.

It is an arithmetic number, because the mean of its divisors is an integer number (5606055174).

Almost surely, 211212110347 is an apocalyptic number.

11212110347 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212110347 is an equidigital number, since it uses as much as digits as its factorization.

11212110347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 23.

Adding to 11212110347 its reverse (74301121211), we get a palindrome (85513231558).

The spelling of 11212110347 in words is "eleven billion, two hundred twelve million, one hundred ten thousand, three hundred forty-seven".