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115186133 is a prime number
BaseRepresentation
bin1101101110110…
…01100111010101
322000202001200002
412313121213111
5213441424013
615232501045
72566031426
oct667314725
9260661602
10115186133
115a024057
12326aa785
131ab2ca9a
141142564d
15a1a4358
hex6dd99d5

115186133 has 2 divisors, whose sum is σ = 115186134. Its totient is φ = 115186132.

The previous prime is 115186087. The next prime is 115186147. The reversal of 115186133 is 331681511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108014449 + 7171684 = 10393^2 + 2678^2 .

It is a cyclic number.

It is not a de Polignac number, because 115186133 - 216 = 115120597 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 115186096 and 115186105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115186153) 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, 57593066 + 57593067.

It is an arithmetic number, because the mean of its divisors is an integer number (57593067).

Almost surely, 2115186133 is an apocalyptic number.

It is an amenable number.

115186133 is a deficient number, since it is larger than the sum of its proper divisors (1).

115186133 is an equidigital number, since it uses as much as digits as its factorization.

115186133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 29.

The square root of 115186133 is about 10732.4802818361. The cubic root of 115186133 is about 486.5566352756.

The spelling of 115186133 in words is "one hundred fifteen million, one hundred eighty-six thousand, one hundred thirty-three".