Base | Representation |
---|---|
bin | 1011111111011111… |
… | …00101111110100101 |
3 | 121121200111220112222 |
4 | 11333233211332211 |
5 | 101141131300203 |
6 | 2542503522125 |
7 | 315354241526 |
oct | 57757457645 |
9 | 17550456488 |
10 | 6438150053 |
11 | 2804193475 |
12 | 12b8159345 |
13 | 7b7aa6b5a |
14 | 4510a484d |
15 | 27a335038 |
hex | 17fbe5fa5 |
6438150053 has 8 divisors (see below), whose sum is σ = 6818687640. Its totient is φ = 6057815040.
The previous prime is 6438150013. The next prime is 6438150067. The reversal of 6438150053 is 3500518346.
It can be written as a sum of positive squares in 4 ways, for example, as 3548227489 + 2889922564 = 59567^2 + 53758^2 .
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 6438150053 - 26 = 6438149989 is a prime.
It is a super-2 number, since 2×64381500532 = 82899552209887805618, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 6438149995 and 6438150022.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6438150013) 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, 17423 + ... + 114803.
It is an arithmetic number, because the mean of its divisors is an integer number (852335955).
Almost surely, 26438150053 is an apocalyptic number.
It is an amenable number.
6438150053 is a deficient number, since it is larger than the sum of its proper divisors (380537587).
6438150053 is a wasteful number, since it uses less digits than its factorization.
6438150053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 101287.
The product of its (nonzero) digits is 43200, while the sum is 35.
The square root of 6438150053 is about 80238.0835576224. The cubic root of 6438150053 is about 1860.3173286966.
Adding to 6438150053 its reverse (3500518346), we get a palindrome (9938668399).
The spelling of 6438150053 in words is "six billion, four hundred thirty-eight million, one hundred fifty thousand, fifty-three".
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