Base | Representation |
---|---|
bin | 11010100001000110… |
… | …101010101100000100 |
3 | 2201111022101011200202 |
4 | 122201012222230010 |
5 | 431303001331033 |
6 | 21025152230032 |
7 | 2025402546251 |
oct | 324106525404 |
9 | 81438334622 |
10 | 28472683268 |
11 | 110910a63a7 |
12 | 562753b318 |
13 | 28b9b2a2a3 |
14 | 1541674428 |
15 | b199d58e8 |
hex | 6a11aab04 |
28472683268 has 48 divisors (see below), whose sum is σ = 51465456000. Its totient is φ = 13776456960.
The previous prime is 28472683247. The next prime is 28472683289. The reversal of 28472683268 is 86238627482.
It is an interprime number because it is at equal distance from previous prime (28472683247) and next prime (28472683289).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18380558 + ... + 18382106.
It is an arithmetic number, because the mean of its divisors is an integer number (1072197000).
Almost surely, 228472683268 is an apocalyptic number.
It is an amenable number.
28472683268 is a deficient number, since it is larger than the sum of its proper divisors (22992772732).
28472683268 is a wasteful number, since it uses less digits than its factorization.
28472683268 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2780 (or 2778 counting only the distinct ones).
The product of its digits is 12386304, while the sum is 56.
The spelling of 28472683268 in words is "twenty-eight billion, four hundred seventy-two million, six hundred eighty-three thousand, two hundred sixty-eight".
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