Base | Representation |
---|---|
bin | 1011100101101000… |
… | …11000001110100001 |
3 | 121001120110211002021 |
4 | 11302310120032201 |
5 | 100220123110031 |
6 | 2505200021441 |
7 | 310112116513 |
oct | 56264301641 |
9 | 17046424067 |
10 | 6221300641 |
11 | 2702842286 |
12 | 1257601881 |
13 | 781ba04aa |
14 | 430377bb3 |
15 | 26629d511 |
hex | 172d183a1 |
6221300641 has 4 divisors (see below), whose sum is σ = 6221484612. Its totient is φ = 6221116672.
The previous prime is 6221300633. The next prime is 6221300651. The reversal of 6221300641 is 1460031226.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1460031226 = 2 ⋅730015613.
It can be written as a sum of positive squares in 2 ways, for example, as 4430233600 + 1791067041 = 66560^2 + 42321^2 .
It is a cyclic number.
It is not a de Polignac number, because 6221300641 - 23 = 6221300633 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (6221300621) 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, 25000 + ... + 114313.
It is an arithmetic number, because the mean of its divisors is an integer number (1555371153).
Almost surely, 26221300641 is an apocalyptic number.
It is an amenable number.
6221300641 is a deficient number, since it is larger than the sum of its proper divisors (183971).
6221300641 is a wasteful number, since it uses less digits than its factorization.
6221300641 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 183970.
The product of its (nonzero) digits is 1728, while the sum is 25.
The square root of 6221300641 is about 78875.2219711615. The cubic root of 6221300641 is about 1839.1919736022.
Adding to 6221300641 its reverse (1460031226), we get a palindrome (7681331867).
The spelling of 6221300641 in words is "six billion, two hundred twenty-one million, three hundred thousand, six hundred forty-one".
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