Search a number
-
+
281116883 is a prime number
BaseRepresentation
bin10000110000011…
…000000011010011
3201120222012212102
4100300120003103
51033431220013
643521151015
76652311515
oct2060300323
9646865772
10281116883
11134757303
127a18b46b
1346318b68
1429499bb5
1519a2dd58
hex10c180d3

281116883 has 2 divisors, whose sum is σ = 281116884. Its totient is φ = 281116882.

The previous prime is 281116877. The next prime is 281116907. The reversal of 281116883 is 388611182.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-281116883 is a prime.

It is not a weakly prime, because it can be changed into another prime (281116873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140558441 + 140558442.

It is an arithmetic number, because the mean of its divisors is an integer number (140558442).

Almost surely, 2281116883 is an apocalyptic number.

281116883 is a deficient number, since it is larger than the sum of its proper divisors (1).

281116883 is an equidigital number, since it uses as much as digits as its factorization.

281116883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 38.

The square root of 281116883 is about 16766.5405793801. The cubic root of 281116883 is about 655.0819647636.

The spelling of 281116883 in words is "two hundred eighty-one million, one hundred sixteen thousand, eight hundred eighty-three".