Search a number
-
+
53253275305 = 510650655061
BaseRepresentation
bin110001100110001001…
…000111111010101001
312002110022102200100211
4301212021013322221
51333030314302210
640244134301121
73563444241256
oct614611077251
9162408380324
1053253275305
11206480a3a2a
12a3a24b77a1
135038a726b9
14281282642d
1515ba2b838a
hexc66247ea9

53253275305 has 4 divisors (see below), whose sum is σ = 63903930372. Its totient is φ = 42602620240.

The previous prime is 53253275303. The next prime is 53253275323. The reversal of 53253275305 is 50357235235.

53253275305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 30203659264 + 23049616041 = 173792^2 + 151821^2 .

It is not a de Polignac number, because 53253275305 - 21 = 53253275303 is a prime.

It is a super-2 number, since 2×532532753052 (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53253275303) 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, 5325327526 + ... + 5325327535.

It is an arithmetic number, because the mean of its divisors is an integer number (15975982593).

Almost surely, 253253275305 is an apocalyptic number.

It is an amenable number.

53253275305 is a deficient number, since it is larger than the sum of its proper divisors (10650655067).

53253275305 is a wasteful number, since it uses less digits than its factorization.

53253275305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10650655066.

The product of its (nonzero) digits is 472500, while the sum is 40.

The spelling of 53253275305 in words is "fifty-three billion, two hundred fifty-three million, two hundred seventy-five thousand, three hundred five".

Divisors: 1 5 10650655061 53253275305