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11212200047 is a prime number
BaseRepresentation
bin10100111000100110…
…01001100001101111
31001221101201202222102
422130103021201233
5140430310400142
65052324205315
7544564061606
oct123423114157
931841652872
1011212200047
114833aa3934
12220ab3983b
131098b939c9
1478514aa3d
15459508532
hex29c4c986f

11212200047 has 2 divisors, whose sum is σ = 11212200048. Its totient is φ = 11212200046.

The previous prime is 11212200019. The next prime is 11212200049. The reversal of 11212200047 is 74000221211.

11212200047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11212200047 - 26 = 11212199983 is a prime.

Together with 11212200049, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11212200049) 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, 5606100023 + 5606100024.

It is an arithmetic number, because the mean of its divisors is an integer number (5606100024).

Almost surely, 211212200047 is an apocalyptic number.

11212200047 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212200047 is an equidigital number, since it uses as much as digits as its factorization.

11212200047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 11212200047 its reverse (74000221211), we get a palindrome (85212421258).

The spelling of 11212200047 in words is "eleven billion, two hundred twelve million, two hundred thousand, forty-seven".