Search a number
-
+
52985760169 = 232303728703
BaseRepresentation
bin110001010110001100…
…101000100110101001
312001202200001111120211
4301112030220212221
51332003323311134
640201420421121
73554015346616
oct612614504651
9161680044524
1052985760169
1120520097941
12a3289a77a1
134cc5509914
1427c90ab50d
1515a1a74764
hexc563289a9

52985760169 has 4 divisors (see below), whose sum is σ = 55289488896. Its totient is φ = 50682031444.

The previous prime is 52985760151. The next prime is 52985760193. The reversal of 52985760169 is 96106758925.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52985760169 - 25 = 52985760137 is a prime.

It is a super-2 number, since 2×529857601692 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52985770169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1151864329 + ... + 1151864374.

It is an arithmetic number, because the mean of its divisors is an integer number (13822372224).

Almost surely, 252985760169 is an apocalyptic number.

It is an amenable number.

52985760169 is a deficient number, since it is larger than the sum of its proper divisors (2303728727).

52985760169 is a wasteful number, since it uses less digits than its factorization.

52985760169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2303728726.

The product of its (nonzero) digits is 8164800, while the sum is 58.

The spelling of 52985760169 in words is "fifty-two billion, nine hundred eighty-five million, seven hundred sixty thousand, one hundred sixty-nine".

Divisors: 1 23 2303728703 52985760169