Base | Representation |
---|---|
bin | 110001101000000111… |
… | …001101111110000000 |
3 | 12002112121122001012200 |
4 | 301220013031332000 |
5 | 1333112300031430 |
6 | 40251314553200 |
7 | 3564325222323 |
oct | 615007157600 |
9 | 162477561180 |
10 | 53286330240 |
11 | 20664820660 |
12 | a3b1598800 |
13 | 5042877030 |
14 | 2816d8c7ba |
15 | 15bd147460 |
hex | c681cdf80 |
53286330240 has 384 divisors, whose sum is σ = 216176294880. Its totient is φ = 11924029440.
The previous prime is 53286330239. The next prime is 53286330247. The reversal of 53286330240 is 4203368235.
It is a happy number.
53286330240 is a `hidden beast` number, since 5 + 3 + 2 + 86 + 330 + 240 = 666.
It is a tau number, because it is divible by the number of its divisors (384).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 53286330195 and 53286330204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53286330247) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 791334 + ... + 856026.
Almost surely, 253286330240 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 53286330240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108088147440).
53286330240 is an abundant number, since it is smaller than the sum of its proper divisors (162889964640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53286330240 is a wasteful number, since it uses less digits than its factorization.
53286330240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64742 (or 64727 counting only the distinct ones).
The product of its (nonzero) digits is 103680, while the sum is 36.
Adding to 53286330240 its reverse (4203368235), we get a palindrome (57489698475).
The spelling of 53286330240 in words is "fifty-three billion, two hundred eighty-six million, three hundred thirty thousand, two hundred forty".
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