Search a number
-
+
471679587641497 is a prime number
BaseRepresentation
bin110101100111111010111011…
…0010001001110100010011001
32021212002010110110100110101111
41223033311312101032202121
5443310444243414011442
64351102340002420321
7201231503614660564
oct15317656621164231
92255063413313344
10471679587641497
1112732320a620234
1244a9a7b76616a1
131732626aa34a81
1484695b18754db
15397e7063c1b17
hex1acfd7644e899

471679587641497 has 2 divisors, whose sum is σ = 471679587641498. Its totient is φ = 471679587641496.

The previous prime is 471679587641399. The next prime is 471679587641569. The reversal of 471679587641497 is 794146785976174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 468811658939481 + 2867928702016 = 21652059^2 + 1693496^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-471679587641497 is a prime.

It is not a weakly prime, because it can be changed into another prime (471679587641897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235839793820748 + 235839793820749.

It is an arithmetic number, because the mean of its divisors is an integer number (235839793820749).

Almost surely, 2471679587641497 is an apocalyptic number.

It is an amenable number.

471679587641497 is a deficient number, since it is larger than the sum of its proper divisors (1).

471679587641497 is an equidigital number, since it uses as much as digits as its factorization.

471679587641497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17923368960, while the sum is 85.

The spelling of 471679587641497 in words is "four hundred seventy-one trillion, six hundred seventy-nine billion, five hundred eighty-seven million, six hundred forty-one thousand, four hundred ninety-seven".