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2110212197 is a prime number
BaseRepresentation
bin111110111000111…
…0100100001100101
312110001201212221022
41331301310201211
513310203242242
6545221100525
7103202336102
oct17561644145
95401655838
102110212197
11993183725
124aa857745
13278255192
14160387aa9
15c53d30d2
hex7dc74865

2110212197 has 2 divisors, whose sum is σ = 2110212198. Its totient is φ = 2110212196.

The previous prime is 2110212151. The next prime is 2110212217. The reversal of 2110212197 is 7912120112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2109932356 + 279841 = 45934^2 + 529^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2110212197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2110212107) 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, 1055106098 + 1055106099.

It is an arithmetic number, because the mean of its divisors is an integer number (1055106099).

Almost surely, 22110212197 is an apocalyptic number.

It is an amenable number.

2110212197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2110212197 is an equidigital number, since it uses as much as digits as its factorization.

2110212197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 2110212197 is about 45937.0460195255. The cubic root of 2110212197 is about 1282.6516071042.

The spelling of 2110212197 in words is "two billion, one hundred ten million, two hundred twelve thousand, one hundred ninety-seven".