Base | Representation |
---|---|
bin | 11010101110110001… |
… | …111100110100100000 |
3 | 2202002022010110021211 |
4 | 122232301330310200 |
5 | 432240221233121 |
6 | 21104030155504 |
7 | 2034160052416 |
oct | 325661746440 |
9 | 82068113254 |
10 | 28702133536 |
11 | 1119967381a |
12 | 5690352b94 |
13 | 292552628b |
14 | 1563d212b6 |
15 | b2ec0ace1 |
hex | 6aec7cd20 |
28702133536 has 48 divisors (see below), whose sum is σ = 57120940800. Its totient is φ = 14195933440.
The previous prime is 28702133531. The next prime is 28702133569. The reversal of 28702133536 is 63533120782.
It is not an unprimeable number, because it can be changed into a prime (28702133531) 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, 1318065 + ... + 1339663.
It is an arithmetic number, because the mean of its divisors is an integer number (1190019600).
Almost surely, 228702133536 is an apocalyptic number.
It is an amenable number.
28702133536 is a deficient number, since it is larger than the sum of its proper divisors (28418807264).
28702133536 is a wasteful number, since it uses less digits than its factorization.
28702133536 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22057 (or 22049 counting only the distinct ones).
The product of its (nonzero) digits is 181440, while the sum is 40.
The spelling of 28702133536 in words is "twenty-eight billion, seven hundred two million, one hundred thirty-three thousand, five hundred thirty-six".
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