Search a number
-
+
20317829183 is a prime number
BaseRepresentation
bin10010111011000010…
…010111100000111111
31221102222120122220222
4102323002113200333
5313102331013213
613200041331555
71316331461411
oct227302274077
957388518828
1020317829183
118686980873
123b30496bbb
131bba4a8a42
14daa5ba9b1
157ddaec808
hex4bb09783f

20317829183 has 2 divisors, whose sum is σ = 20317829184. Its totient is φ = 20317829182.

The previous prime is 20317829177. The next prime is 20317829267. The reversal of 20317829183 is 38192871302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20317829183 - 214 = 20317812799 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 (20317829143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10158914591 + 10158914592.

It is an arithmetic number, because the mean of its divisors is an integer number (10158914592).

Almost surely, 220317829183 is an apocalyptic number.

20317829183 is a deficient number, since it is larger than the sum of its proper divisors (1).

20317829183 is an equidigital number, since it uses as much as digits as its factorization.

20317829183 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 20317829183 in words is "twenty billion, three hundred seventeen million, eight hundred twenty-nine thousand, one hundred eighty-three".