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82156103 is a prime number
BaseRepresentation
bin1001110010110…
…01101001000111
312201120221222122
410321121221013
5132012443403
612052520155
72015213111
oct471315107
9181527878
1082156103
1142414107
122362005b
13140368a3
14aca83b1
15732c838
hex4e59a47

82156103 has 2 divisors, whose sum is σ = 82156104. Its totient is φ = 82156102.

The previous prime is 82156093. The next prime is 82156111. The reversal of 82156103 is 30165128.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82156103 - 28 = 82155847 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82156153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41078051 + 41078052.

It is an arithmetic number, because the mean of its divisors is an integer number (41078052).

Almost surely, 282156103 is an apocalyptic number.

82156103 is a deficient number, since it is larger than the sum of its proper divisors (1).

82156103 is an equidigital number, since it uses as much as digits as its factorization.

82156103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 82156103 is about 9064.0003861430. Note that the first 3 decimals coincide. The cubic root of 82156103 is about 434.7236594283.

The spelling of 82156103 in words is "eighty-two million, one hundred fifty-six thousand, one hundred three".