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82811119 is a prime number
BaseRepresentation
bin1001110111110…
…01100011101111
312202211020111111
410323321203233
5132144423434
612114532451
72023611556
oct473714357
9182736444
1082811119
1142821246
1223897127
1314205a81
14add8d9d
15740b964
hex4ef98ef

82811119 has 2 divisors, whose sum is σ = 82811120. Its totient is φ = 82811118.

The previous prime is 82811087. The next prime is 82811147. The reversal of 82811119 is 91111828.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82811119 - 25 = 82811087 is a prime.

It is a super-2 number, since 2×828111192 = 13715362860064322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82811149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41405559 + 41405560.

It is an arithmetic number, because the mean of its divisors is an integer number (41405560).

Almost surely, 282811119 is an apocalyptic number.

82811119 is a deficient number, since it is larger than the sum of its proper divisors (1).

82811119 is an equidigital number, since it uses as much as digits as its factorization.

82811119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 31.

The square root of 82811119 is about 9100.0614833088. The cubic root of 82811119 is about 435.8759273675.

The spelling of 82811119 in words is "eighty-two million, eight hundred eleven thousand, one hundred nineteen".