Search a number
-
+
52317388061 = 132157395873
BaseRepresentation
bin110000101110010110…
…111111110100011101
312000001002101200102022
4300232112333310131
51324121222404221
640011223105525
73531321314111
oct605626776435
9160032350368
1052317388061
112020788aaa4
12a180ba22a5
134c19bc2473
142764407741
15156304d4ab
hexc2e5bfd1d

52317388061 has 4 divisors (see below), whose sum is σ = 52317916092. Its totient is φ = 52316860032.

The previous prime is 52317388051. The next prime is 52317388103. The reversal of 52317388061 is 16088371325.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 40543836025 + 11773552036 = 201355^2 + 108506^2 .

It is a cyclic number.

It is not a de Polignac number, because 52317388061 - 234 = 35137518877 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 (52317388001) 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, 65780 + ... + 330093.

It is an arithmetic number, because the mean of its divisors is an integer number (13079479023).

Almost surely, 252317388061 is an apocalyptic number.

It is an amenable number.

52317388061 is a deficient number, since it is larger than the sum of its proper divisors (528031).

52317388061 is a wasteful number, since it uses less digits than its factorization.

52317388061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528030.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 52317388061 in words is "fifty-two billion, three hundred seventeen million, three hundred eighty-eight thousand, sixty-one".

Divisors: 1 132157 395873 52317388061