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8195111 is a prime number
BaseRepresentation
bin11111010000110000100111
3120102100120122
4133100300213
54044220421
6451352155
7126441311
oct37206047
916370518
108195111
114698121
1228b265b
13190c1a2
1411347b1
15abd2ab
hex7d0c27

8195111 has 2 divisors, whose sum is σ = 8195112. Its totient is φ = 8195110.

The previous prime is 8195101. The next prime is 8195113. The reversal of 8195111 is 1115918.

8195111 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8195111 is a prime.

Together with 8195113, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8195113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4097555 + 4097556.

It is an arithmetic number, because the mean of its divisors is an integer number (4097556).

Almost surely, 28195111 is an apocalyptic number.

8195111 is a deficient number, since it is larger than the sum of its proper divisors (1).

8195111 is an equidigital number, since it uses as much as digits as its factorization.

8195111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 26.

The square root of 8195111 is about 2862.7104289467. The cubic root of 8195111 is about 201.6128830764.

The spelling of 8195111 in words is "eight million, one hundred ninety-five thousand, one hundred eleven".