Search a number
-
+
112238081 is a prime number
BaseRepresentation
bin1101011000010…
…01111000000001
321211012021200222
412230021320001
5212213104311
615045352425
72532002504
oct654117001
9254167628
10112238081
11583a014a
1231708715
131a339c87
1410c9913b
159cc0adb
hex6b09e01

112238081 has 2 divisors, whose sum is σ = 112238082. Its totient is φ = 112238080.

The previous prime is 112238069. The next prime is 112238099. The reversal of 112238081 is 180832211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104448400 + 7789681 = 10220^2 + 2791^2 .

It is a cyclic number.

It is not a de Polignac number, because 112238081 - 26 = 112238017 is a prime.

It is a super-2 number, since 2×1122380812 = 25194773653125122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 112238081.

It is not a weakly prime, because it can be changed into another prime (112238881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56119040 + 56119041.

It is an arithmetic number, because the mean of its divisors is an integer number (56119041).

Almost surely, 2112238081 is an apocalyptic number.

It is an amenable number.

112238081 is a deficient number, since it is larger than the sum of its proper divisors (1).

112238081 is an equidigital number, since it uses as much as digits as its factorization.

112238081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 112238081 is about 10594.2475428885. The cubic root of 112238081 is about 482.3697641288.

The spelling of 112238081 in words is "one hundred twelve million, two hundred thirty-eight thousand, eighty-one".