Search a number
-
+
206106162601 is a prime number
BaseRepresentation
bin1011111111110011100…
…0100111010110101001
3201200222220002212212211
42333330320213112221
511334101134200401
6234403414205121
720614334322223
oct2777470472651
9650886085784
10206106162601
117a455612579
1233b406537a1
13165883a8741
149d93047413
15556457c951
hex2ffce275a9

206106162601 has 2 divisors, whose sum is σ = 206106162602. Its totient is φ = 206106162600.

The previous prime is 206106162571. The next prime is 206106162617. The reversal of 206106162601 is 106261601602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195031757376 + 11074405225 = 441624^2 + 105235^2 .

It is a cyclic number.

It is not a de Polignac number, because 206106162601 - 215 = 206106129833 is a prime.

It is not a weakly prime, because it can be changed into another prime (206106162631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103053081300 + 103053081301.

It is an arithmetic number, because the mean of its divisors is an integer number (103053081301).

Almost surely, 2206106162601 is an apocalyptic number.

It is an amenable number.

206106162601 is a deficient number, since it is larger than the sum of its proper divisors (1).

206106162601 is an equidigital number, since it uses as much as digits as its factorization.

206106162601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 206106162601 in words is "two hundred six billion, one hundred six million, one hundred sixty-two thousand, six hundred one".