Search a number
-
+
115012223 is a prime number
BaseRepresentation
bin1101101101011…
…11001001111111
322000102020002222
412312233021333
5213420342343
615225035555
72564405414
oct666571177
9260366088
10115012223
1159a15427
1232625bbb
131aa9b891
14113bc10b
15a16ca68
hex6daf27f

115012223 has 2 divisors, whose sum is σ = 115012224. Its totient is φ = 115012222.

The previous prime is 115012217. The next prime is 115012277. The reversal of 115012223 is 322210511.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115012223 - 24 = 115012207 is a prime.

It is a super-2 number, since 2×1150122232 = 26455622878803458, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115012423) 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, 57506111 + 57506112.

It is an arithmetic number, because the mean of its divisors is an integer number (57506112).

Almost surely, 2115012223 is an apocalyptic number.

115012223 is a deficient number, since it is larger than the sum of its proper divisors (1).

115012223 is an equidigital number, since it uses as much as digits as its factorization.

115012223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 115012223 is about 10724.3751799347. The cubic root of 115012223 is about 486.3116414168.

Adding to 115012223 its reverse (322210511), we get a palindrome (437222734).

The spelling of 115012223 in words is "one hundred fifteen million, twelve thousand, two hundred twenty-three".