Base | Representation |
---|---|
bin | 11010000111111010… |
… | …010001010010011111 |
3 | 2200101212000210111211 |
4 | 122013322101102133 |
5 | 424421300044403 |
6 | 20515212525251 |
7 | 2012051043463 |
oct | 320772212237 |
9 | 80355023454 |
10 | 28050003103 |
11 | 1099454a551 |
12 | 5529a80827 |
13 | 28503a7695 |
14 | 15014884a3 |
15 | ae284206d |
hex | 687e9149f |
28050003103 has 8 divisors (see below), whose sum is σ = 28331132400. Its totient is φ = 27768940800.
The previous prime is 28050003101. The next prime is 28050003109. The reversal of 28050003103 is 30130005082.
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 28050003103 - 21 = 28050003101 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 (28050003101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1571676 + ... + 1589422.
It is an arithmetic number, because the mean of its divisors is an integer number (3541391550).
Almost surely, 228050003103 is an apocalyptic number.
28050003103 is a deficient number, since it is larger than the sum of its proper divisors (281129297).
28050003103 is a wasteful number, since it uses less digits than its factorization.
28050003103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33497.
The product of its (nonzero) digits is 720, while the sum is 22.
Adding to 28050003103 its reverse (30130005082), we get a palindrome (58180008185).
The spelling of 28050003103 in words is "twenty-eight billion, fifty million, three thousand, one hundred three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •