Base | Representation |
---|---|
bin | 11010001000100011… |
… | …100111111100110001 |
3 | 2200102121102120012001 |
4 | 122020203213330301 |
5 | 424432034000300 |
6 | 20520241134001 |
7 | 2012242144210 |
oct | 321043477461 |
9 | 80377376161 |
10 | 28060843825 |
11 | 1099a684323 |
12 | 553162a301 |
13 | 2852701b01 |
14 | 1502aab077 |
15 | ae378416a |
hex | 6888e7f31 |
28060843825 has 24 divisors (see below), whose sum is σ = 40736142720. Its totient is φ = 18772406400.
The previous prime is 28060843819. The next prime is 28060843829. The reversal of 28060843825 is 52834806082.
It is not a de Polignac number, because 28060843825 - 23 = 28060843817 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28060843829) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1948285 + ... + 1962634.
It is an arithmetic number, because the mean of its divisors is an integer number (1697339280).
Almost surely, 228060843825 is an apocalyptic number.
28060843825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
28060843825 is a deficient number, since it is larger than the sum of its proper divisors (12675298895).
28060843825 is a wasteful number, since it uses less digits than its factorization.
28060843825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3910977 (or 3910972 counting only the distinct ones).
The product of its (nonzero) digits is 737280, while the sum is 46.
The spelling of 28060843825 in words is "twenty-eight billion, sixty million, eight hundred forty-three thousand, eight hundred twenty-five".
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