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2205380291 is a prime number
BaseRepresentation
bin1000001101110011…
…0110111011000011
312200200210221000112
42003130312323003
514004034132131
61002500541535
7105436265102
oct20334667303
95620727015
102205380291
11a31974944
125166b18ab
13291b9656a
1416cc7c039
15cd93102b
hex83736ec3

2205380291 has 2 divisors, whose sum is σ = 2205380292. Its totient is φ = 2205380290.

The previous prime is 2205380257. The next prime is 2205380311. The reversal of 2205380291 is 1920835022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2205380291 - 214 = 2205363907 is a prime.

It is not a weakly prime, because it can be changed into another prime (2205380251) 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, 1102690145 + 1102690146.

It is an arithmetic number, because the mean of its divisors is an integer number (1102690146).

Almost surely, 22205380291 is an apocalyptic number.

2205380291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2205380291 is an equidigital number, since it uses as much as digits as its factorization.

2205380291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 2205380291 is about 46961.4766697130. The cubic root of 2205380291 is about 1301.6508201564.

The spelling of 2205380291 in words is "two billion, two hundred five million, three hundred eighty thousand, two hundred ninety-one".