Search a number
-
+
52585168897 = 371421220781
BaseRepresentation
bin110000111110010100…
…100000000000000001
312000201202021100200001
4300332110200000001
51330143300401042
640053550400001
73541052363212
oct607624400001
9160652240601
1052585168897
1120334a58778
12a236800001
134c6051c171
14278bbd1409
15157b7e5bb7
hexc3e520001

52585168897 has 4 divisors (see below), whose sum is σ = 54006389716. Its totient is φ = 51163948080.

The previous prime is 52585168879. The next prime is 52585168903. The reversal of 52585168897 is 79886158525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44618535361 + 7966633536 = 211231^2 + 89256^2 .

It is a cyclic number.

It is not a de Polignac number, because 52585168897 - 211 = 52585166849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52585168837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 710610354 + ... + 710610427.

It is an arithmetic number, because the mean of its divisors is an integer number (13501597429).

Almost surely, 252585168897 is an apocalyptic number.

It is an amenable number.

52585168897 is a deficient number, since it is larger than the sum of its proper divisors (1421220819).

52585168897 is a wasteful number, since it uses less digits than its factorization.

52585168897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421220818.

The product of its digits is 48384000, while the sum is 64.

The spelling of 52585168897 in words is "fifty-two billion, five hundred eighty-five million, one hundred sixty-eight thousand, eight hundred ninety-seven".

Divisors: 1 37 1421220781 52585168897