Base | Representation |
---|---|
bin | 11010001011000101… |
… | …100101011111100010 |
3 | 2200112120022121121100 |
4 | 122023011211133202 |
5 | 430023421113330 |
6 | 20524355135230 |
7 | 2013266055264 |
oct | 321305453742 |
9 | 80476277540 |
10 | 28103301090 |
11 | 10a11643077 |
12 | 55438a4516 |
13 | 285b448c57 |
14 | 150859db34 |
15 | ae736e060 |
hex | 68b1657e2 |
28103301090 has 48 divisors (see below), whose sum is σ = 76914302400. Its totient is φ = 7099780896.
The previous prime is 28103301077. The next prime is 28103301113. The reversal of 28103301090 is 9010330182.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8215630 + ... + 8219049.
It is an arithmetic number, because the mean of its divisors is an integer number (1602381300).
Almost surely, 228103301090 is an apocalyptic number.
28103301090 is an abundant number, since it is smaller than the sum of its proper divisors (48811001310).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28103301090 is a wasteful number, since it uses less digits than its factorization.
28103301090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16434711 (or 16434708 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 27.
The spelling of 28103301090 in words is "twenty-eight billion, one hundred three million, three hundred one thousand, ninety".
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