Base | Representation |
---|---|
bin | 1010011100110101… |
… | …1000110011000001 |
3 | 21020111200020100011 |
4 | 2213031120303001 |
5 | 21221124221023 |
6 | 1142211224521 |
7 | 126342460234 |
oct | 24715306301 |
9 | 7214606304 |
10 | 2805304513 |
11 | 120a580890 |
12 | 6635a8141 |
13 | 3592667cb |
14 | 1c880541b |
15 | 11643650d |
hex | a7358cc1 |
2805304513 has 8 divisors (see below), whose sum is σ = 3062304000. Its totient is φ = 2548633680.
The previous prime is 2805304511. The next prime is 2805304519. The reversal of 2805304513 is 3154035082.
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 2805304513 - 21 = 2805304511 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2805304511) 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, 64138 + ... + 98611.
It is an arithmetic number, because the mean of its divisors is an integer number (382788000).
Almost surely, 22805304513 is an apocalyptic number.
It is an amenable number.
2805304513 is a deficient number, since it is larger than the sum of its proper divisors (256999487).
2805304513 is a wasteful number, since it uses less digits than its factorization.
2805304513 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 164327.
The product of its (nonzero) digits is 14400, while the sum is 31.
The square root of 2805304513 is about 52965.1254411806. The cubic root of 2805304513 is about 1410.3492441725.
Adding to 2805304513 its reverse (3154035082), we get a palindrome (5959339595).
The spelling of 2805304513 in words is "two billion, eight hundred five million, three hundred four thousand, five hundred thirteen".
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