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71175113 is a prime number
BaseRepresentation
bin1000011111000…
…00101111001001
311221221001220022
410033200233021
5121210100423
611021310225
71522656422
oct417405711
9157831808
1071175113
11371a3a09
121ba05375
1311990669
14964a649
1563addc8
hex43e0bc9

71175113 has 2 divisors, whose sum is σ = 71175114. Its totient is φ = 71175112.

The previous prime is 71175053. The next prime is 71175211. The reversal of 71175113 is 31157117.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47720464 + 23454649 = 6908^2 + 4843^2 .

It is an emirp because it is prime and its reverse (31157117) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71175113 - 214 = 71158729 is a prime.

It is not a weakly prime, because it can be changed into another prime (71105113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35587556 + 35587557.

It is an arithmetic number, because the mean of its divisors is an integer number (35587557).

Almost surely, 271175113 is an apocalyptic number.

It is an amenable number.

71175113 is a deficient number, since it is larger than the sum of its proper divisors (1).

71175113 is an equidigital number, since it uses as much as digits as its factorization.

71175113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 735, while the sum is 26.

The square root of 71175113 is about 8436.5344188239. The cubic root of 71175113 is about 414.4219231587.

The spelling of 71175113 in words is "seventy-one million, one hundred seventy-five thousand, one hundred thirteen".