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2166100411 is a prime number
BaseRepresentation
bin1000000100011100…
…0001000110111011
312120221220022011011
42001013001012323
513414010203121
6554535014351
7104451356356
oct20107010673
95527808134
102166100411
11a11786332
1250550a3b7
132869c2727
1416797529d
15ca2727e1
hex811c11bb

2166100411 has 2 divisors, whose sum is σ = 2166100412. Its totient is φ = 2166100410.

The previous prime is 2166100381. The next prime is 2166100459. The reversal of 2166100411 is 1140016612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2166100411 - 25 = 2166100379 is a prime.

It is not a weakly prime, because it can be changed into another prime (2166100471) 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, 1083050205 + 1083050206.

It is an arithmetic number, because the mean of its divisors is an integer number (1083050206).

Almost surely, 22166100411 is an apocalyptic number.

2166100411 is a deficient number, since it is larger than the sum of its proper divisors (1).

2166100411 is an equidigital number, since it uses as much as digits as its factorization.

2166100411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 2166100411 is about 46541.3838535126. The cubic root of 2166100411 is about 1293.8766087799.

The spelling of 2166100411 in words is "two billion, one hundred sixty-six million, one hundred thousand, four hundred eleven".