Search a number
-
+
180868630363 is a prime number
BaseRepresentation
bin1010100001110010011…
…1000100011101011011
3122021212001020102002121
42220130213010131123
510430404332132423
6215031230242111
716032043664101
oct2503447043533
9567761212077
10180868630363
116a784699013
122b078656337
13140958a6705
148a7b30bc71
154a88ada45d
hex2a1c9c475b

180868630363 has 2 divisors, whose sum is σ = 180868630364. Its totient is φ = 180868630362.

The previous prime is 180868630321. The next prime is 180868630379. The reversal of 180868630363 is 363036868081.

180868630363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (363036868081) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 180868630363 - 217 = 180868499291 is a prime.

It is a super-2 number, since 2×1808686303632 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 180868630363.

It is not a weakly prime, because it can be changed into another prime (180868690363) 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, 90434315181 + 90434315182.

It is an arithmetic number, because the mean of its divisors is an integer number (90434315182).

Almost surely, 2180868630363 is an apocalyptic number.

180868630363 is a deficient number, since it is larger than the sum of its proper divisors (1).

180868630363 is an equidigital number, since it uses as much as digits as its factorization.

180868630363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2985984, while the sum is 52.

The spelling of 180868630363 in words is "one hundred eighty billion, eight hundred sixty-eight million, six hundred thirty thousand, three hundred sixty-three".