Search a number
-
+
2112136783 is a prime number
BaseRepresentation
bin111110111100100…
…1010011001001111
312110012100122222021
41331321022121033
513311201334113
6545330231011
7103224603121
oct17571123117
95405318867
102112136783
11994278699
124ab425467
1327877a1a3
14160729211
15c566348d
hex7de4a64f

2112136783 has 2 divisors, whose sum is σ = 2112136784. Its totient is φ = 2112136782.

The previous prime is 2112136777. The next prime is 2112136837. The reversal of 2112136783 is 3876312112.

Together with next prime (2112136837) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2112136783 is a prime.

It is a super-2 number, since 2×21121367832 = 8922243580203178178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112136703) 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, 1056068391 + 1056068392.

It is an arithmetic number, because the mean of its divisors is an integer number (1056068392).

Almost surely, 22112136783 is an apocalyptic number.

2112136783 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112136783 is an equidigital number, since it uses as much as digits as its factorization.

2112136783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The square root of 2112136783 is about 45957.9893272106. The cubic root of 2112136783 is about 1283.0414293908.

Adding to 2112136783 its reverse (3876312112), we get a palindrome (5988448895).

The spelling of 2112136783 in words is "two billion, one hundred twelve million, one hundred thirty-six thousand, seven hundred eighty-three".