Search a number
-
+
417874081481 is a prime number
BaseRepresentation
bin1100001010010110011…
…11000111011011001001
31110221121100210210021122
412011023033013123021
523321301231101411
6515545123445025
742122211041513
oct6051317073311
91427540723248
10417874081481
1115124603036a
1268ba1226775
1330536751b0c
1416321db2bb3
15ad0abcc9db
hex614b3c76c9

417874081481 has 2 divisors, whose sum is σ = 417874081482. Its totient is φ = 417874081480.

The previous prime is 417874081459. The next prime is 417874081487. The reversal of 417874081481 is 184180478714.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 238623457081 + 179250624400 = 488491^2 + 423380^2 .

It is a cyclic number.

It is not a de Polignac number, because 417874081481 - 234 = 400694212297 is a prime.

It is a super-2 number, since 2×4178740814812 (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (417874081487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208937040740 + 208937040741.

It is an arithmetic number, because the mean of its divisors is an integer number (208937040741).

Almost surely, 2417874081481 is an apocalyptic number.

It is an amenable number.

417874081481 is a deficient number, since it is larger than the sum of its proper divisors (1).

417874081481 is an equidigital number, since it uses as much as digits as its factorization.

417874081481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1605632, while the sum is 53.

The spelling of 417874081481 in words is "four hundred seventeen billion, eight hundred seventy-four million, eighty-one thousand, four hundred eighty-one".