Base | Representation |
---|---|
bin | 11010000111111010… |
… | …010001010010100001 |
3 | 2200101212000210111220 |
4 | 122013322101102201 |
5 | 424421300044410 |
6 | 20515212525253 |
7 | 2012051043465 |
oct | 320772212241 |
9 | 80355023456 |
10 | 28050003105 |
11 | 1099454a553 |
12 | 5529a80829 |
13 | 28503a7697 |
14 | 15014884a5 |
15 | ae2842070 |
hex | 687e914a1 |
28050003105 has 32 divisors (see below), whose sum is σ = 45143820288. Its totient is φ = 14872166400.
The previous prime is 28050003101. The next prime is 28050003109. The reversal of 28050003105 is 50130005082.
It is an interprime number because it is at equal distance from previous prime (28050003101) and next prime (28050003109).
It is not a de Polignac number, because 28050003105 - 22 = 28050003101 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28050003101) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8940097 + ... + 8943233.
It is an arithmetic number, because the mean of its divisors is an integer number (1410744384).
Almost surely, 228050003105 is an apocalyptic number.
It is an amenable number.
28050003105 is a deficient number, since it is larger than the sum of its proper divisors (17093817183).
28050003105 is a wasteful number, since it uses less digits than its factorization.
28050003105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6457.
The product of its (nonzero) digits is 1200, while the sum is 24.
Adding to 28050003105 its reverse (50130005082), we get a palindrome (78180008187).
The spelling of 28050003105 in words is "twenty-eight billion, fifty million, three thousand, one hundred five".
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