Search a number
-
+
8531880881317 is a prime number
BaseRepresentation
bin111110000100111101110…
…1110101010110010100101
31010012122021110002200120221
41330021323232222302211
52104241243001200232
630051254133124341
71540256650625503
oct174117356526245
933178243080527
108531880881317
11279a394371732
12b596517896b1
1349b7259a5641
14216d33a39673
15ebe018a5897
hex7c27bbaaca5

8531880881317 has 2 divisors, whose sum is σ = 8531880881318. Its totient is φ = 8531880881316.

The previous prime is 8531880881263. The next prime is 8531880881383. The reversal of 8531880881317 is 7131880881358.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7974699250401 + 557181630916 = 2823951^2 + 746446^2 .

It is a cyclic number.

It is not a de Polignac number, because 8531880881317 - 219 = 8531880357029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8531880881417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4265940440658 + 4265940440659.

It is an arithmetic number, because the mean of its divisors is an integer number (4265940440659).

Almost surely, 28531880881317 is an apocalyptic number.

It is an amenable number.

8531880881317 is a deficient number, since it is larger than the sum of its proper divisors (1).

8531880881317 is an equidigital number, since it uses as much as digits as its factorization.

8531880881317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10321920, while the sum is 61.

The spelling of 8531880881317 in words is "eight trillion, five hundred thirty-one billion, eight hundred eighty million, eight hundred eighty-one thousand, three hundred seventeen".