Base | Representation |
---|---|
bin | 110001101111101011… |
… | …001111000010100000 |
3 | 12002212110101022200222 |
4 | 301233223033002200 |
5 | 1333342240243240 |
6 | 40312050302212 |
7 | 3600425546036 |
oct | 615753170240 |
9 | 162773338628 |
10 | 53413212320 |
11 | 2071a402a86 |
12 | a427b87968 |
13 | 5062c405a0 |
14 | 2829b7a556 |
15 | 15c935beb5 |
hex | c6facf0a0 |
53413212320 has 96 divisors (see below), whose sum is σ = 137757512592. Its totient is φ = 19451584512.
The previous prime is 53413212311. The next prime is 53413212343. The reversal of 53413212320 is 2321231435.
It is a happy number.
53413212320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 8 ways, for example, as 23202600976 + 30210611344 = 152324^2 + 173812^2 .
It is a Harshad number since it is a multiple of its sum of digits (26).
It is a self number, because there is not a number n which added to its sum of digits gives 53413212320.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24047 + ... + 327726.
Almost surely, 253413212320 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 53413212320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68878756296).
53413212320 is an abundant number, since it is smaller than the sum of its proper divisors (84344300272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53413212320 is a wasteful number, since it uses less digits than its factorization.
53413212320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 351874 (or 351866 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 26.
Adding to 53413212320 its reverse (2321231435), we get a palindrome (55734443755).
The spelling of 53413212320 in words is "fifty-three billion, four hundred thirteen million, two hundred twelve thousand, three hundred twenty".
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