Base | Representation |
---|---|
bin | 1100000000000000… |
… | …10110010011011101 |
3 | 121121222210001120211 |
4 | 12000000112103131 |
5 | 101143242323201 |
6 | 2543142012421 |
7 | 315436464106 |
oct | 60000262335 |
9 | 17558701524 |
10 | 6442542301 |
11 | 2806713428 |
12 | 12b9717111 |
13 | 7b8984110 |
14 | 4518c93ad |
15 | 27a901651 |
hex | 1800164dd |
6442542301 has 8 divisors (see below), whose sum is σ = 6938755544. Its totient is φ = 5946419520.
The previous prime is 6442542277. The next prime is 6442542313. The reversal of 6442542301 is 1032452446.
It can be written as a sum of positive squares in 4 ways, for example, as 30536676 + 6412005625 = 5526^2 + 80075^2 .
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 6442542301 - 25 = 6442542269 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 (6442542331) 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, 229315 + ... + 255871.
It is an arithmetic number, because the mean of its divisors is an integer number (867344443).
Almost surely, 26442542301 is an apocalyptic number.
It is an amenable number.
6442542301 is a deficient number, since it is larger than the sum of its proper divisors (496213243).
6442542301 is a wasteful number, since it uses less digits than its factorization.
6442542301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45231.
The product of its (nonzero) digits is 23040, while the sum is 31.
The square root of 6442542301 is about 80265.4489864724. The cubic root of 6442542301 is about 1860.7402823692.
Adding to 6442542301 its reverse (1032452446), we get a palindrome (7474994747).
The spelling of 6442542301 in words is "six billion, four hundred forty-two million, five hundred forty-two thousand, three hundred one".
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