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2205005123 is a prime number
BaseRepresentation
bin1000001101101101…
…1011010101000011
312200200002212101102
42003123123111003
514003440130443
61002444525015
7105433143236
oct20333332503
95620085342
102205005123
11a31738a92
1251655076b
13291a94879
1416cbc141d
15cd8a9cb8
hex836db543

2205005123 has 2 divisors, whose sum is σ = 2205005124. Its totient is φ = 2205005122.

The previous prime is 2205005087. The next prime is 2205005161. The reversal of 2205005123 is 3215005022.

2205005123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2205005123 - 212 = 2205001027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2205005095 and 2205005104.

It is not a weakly prime, because it can be changed into another prime (2205002123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1102502561 + 1102502562.

It is an arithmetic number, because the mean of its divisors is an integer number (1102502562).

Almost surely, 22205005123 is an apocalyptic number.

2205005123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2205005123 is an equidigital number, since it uses as much as digits as its factorization.

2205005123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 2205005123 is about 46957.4820768746. The cubic root of 2205005123 is about 1301.5770059137.

The spelling of 2205005123 in words is "two billion, two hundred five million, five thousand, one hundred twenty-three".