Search a number
-
+
20610131413 is a prime number
BaseRepresentation
bin10011001100011101…
…011010010111010101
31222012100121011012111
4103030131122113111
5314202143201123
613245042351021
71326511140454
oct231435322725
958170534174
1020610131413
118816977863
123bb235b471
131c35c0cb41
14dd7348b9b
158095da90d
hex4cc75a5d5

20610131413 has 2 divisors, whose sum is σ = 20610131414. Its totient is φ = 20610131412.

The previous prime is 20610131329. The next prime is 20610131417. The reversal of 20610131413 is 31413101602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17875155204 + 2734976209 = 133698^2 + 52297^2 .

It is a cyclic number.

It is not a de Polignac number, because 20610131413 - 225 = 20576576981 is a prime.

It is a super-2 number, since 2×206101314132 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20610131417) 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, 10305065706 + 10305065707.

It is an arithmetic number, because the mean of its divisors is an integer number (10305065707).

Almost surely, 220610131413 is an apocalyptic number.

It is an amenable number.

20610131413 is a deficient number, since it is larger than the sum of its proper divisors (1).

20610131413 is an equidigital number, since it uses as much as digits as its factorization.

20610131413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 20610131413 in words is "twenty billion, six hundred ten million, one hundred thirty-one thousand, four hundred thirteen".