Search a number
-
+
52455445253 = 2910916594573
BaseRepresentation
bin110000110110100101…
…101001001100000101
312000101201011201021122
4300312211221030011
51324412043222003
640033034123325
73534615633161
oct606645511405
9160351151248
1052455445253
1120278805452
12a1bb280545
134c3c69c403
1427788a3ca1
15157021e238
hexc36969305

52455445253 has 8 divisors (see below), whose sum is σ = 54762094200. Its totient is φ = 50181985728.

The previous prime is 52455445187. The next prime is 52455445261. The reversal of 52455445253 is 35254455425.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 682358884 + 51773086369 = 26122^2 + 227537^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52455445253 - 28 = 52455444997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52455445283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8294126 + ... + 8300447.

It is an arithmetic number, because the mean of its divisors is an integer number (6845261775).

Almost surely, 252455445253 is an apocalyptic number.

It is an amenable number.

52455445253 is a deficient number, since it is larger than the sum of its proper divisors (2306648947).

52455445253 is a wasteful number, since it uses less digits than its factorization.

52455445253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16594711.

The product of its digits is 2400000, while the sum is 44.

The spelling of 52455445253 in words is "fifty-two billion, four hundred fifty-five million, four hundred forty-five thousand, two hundred fifty-three".

Divisors: 1 29 109 3161 16594573 481242617 1808808457 52455445253