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206105410079 is a prime number
BaseRepresentation
bin1011111111110011010…
…1101111101000011111
3201200222211200122121122
42333330311233220133
511334100441110304
6234403350121155
720614325036252
oct2777465575037
9650884618548
10206105410079
117a455149158
1233b403501bb
13165881a406a
149d92ccd099
15556447e9be
hex2ffcd6fa1f

206105410079 has 2 divisors, whose sum is σ = 206105410080. Its totient is φ = 206105410078.

The previous prime is 206105410037. The next prime is 206105410123. The reversal of 206105410079 is 970014501602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 206105410079 - 212 = 206105405983 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206105415079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103052705039 + 103052705040.

It is an arithmetic number, because the mean of its divisors is an integer number (103052705040).

Almost surely, 2206105410079 is an apocalyptic number.

206105410079 is a deficient number, since it is larger than the sum of its proper divisors (1).

206105410079 is an equidigital number, since it uses as much as digits as its factorization.

206105410079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 35.

The spelling of 206105410079 in words is "two hundred six billion, one hundred five million, four hundred ten thousand, seventy-nine".