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20650130101 is a prime number
BaseRepresentation
bin10011001110110101…
…111111101010110101
31222022010212022002101
4103032311333222311
5314242413130401
613253031542101
71330505131636
oct231665775265
958263768071
1020650130101
118837507427
12400382a931
131c412a5bc3
14ddc79b88d
1580cd8c101
hex4ced7fab5

20650130101 has 2 divisors, whose sum is σ = 20650130102. Its totient is φ = 20650130100.

The previous prime is 20650130071. The next prime is 20650130131. The reversal of 20650130101 is 10103105602.

It is a balanced prime because it is at equal distance from previous prime (20650130071) and next prime (20650130131).

It can be written as a sum of positive squares in only one way, i.e., 20025080100 + 625050001 = 141510^2 + 25001^2 .

It is a cyclic number.

It is not a de Polignac number, because 20650130101 - 213 = 20650121909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20650130131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10325065050 + 10325065051.

It is an arithmetic number, because the mean of its divisors is an integer number (10325065051).

Almost surely, 220650130101 is an apocalyptic number.

It is an amenable number.

20650130101 is a deficient number, since it is larger than the sum of its proper divisors (1).

20650130101 is an equidigital number, since it uses as much as digits as its factorization.

20650130101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 20650130101 its reverse (10103105602), we get a palindrome (30753235703).

The spelling of 20650130101 in words is "twenty billion, six hundred fifty million, one hundred thirty thousand, one hundred one".