Base | Representation |
---|---|
bin | 111111011100011… |
… | …0111000000001111 |
3 | 12111100210000001000 |
4 | 1332320313000033 |
5 | 13324440201300 |
6 | 551124151343 |
7 | 103516536540 |
oct | 17670670017 |
9 | 5440700030 |
10 | 2128834575 |
11 | 9a2742a1a |
12 | 4b4b38553 |
13 | 27c07553a |
14 | 162a344c7 |
15 | c6d60c00 |
hex | 7ee3700f |
2128834575 has 192 divisors, whose sum is σ = 4913971200. Its totient is φ = 881020800.
The previous prime is 2128834559. The next prime is 2128834597. The reversal of 2128834575 is 5754388212.
2128834575 is a `hidden beast` number, since 21 + 28 + 8 + 34 + 575 = 666.
It is not a de Polignac number, because 2128834575 - 24 = 2128834559 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 2128834575.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2064310 + ... + 2065340.
It is an arithmetic number, because the mean of its divisors is an integer number (25593600).
Almost surely, 22128834575 is an apocalyptic number.
2128834575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
2128834575 is an abundant number, since it is smaller than the sum of its proper divisors (2785136625).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2128834575 is a wasteful number, since it uses less digits than its factorization.
2128834575 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1099 (or 1088 counting only the distinct ones).
The product of its digits is 537600, while the sum is 45.
The square root of 2128834575 is about 46139.2953457246. The cubic root of 2128834575 is about 1286.4136461034.
The spelling of 2128834575 in words is "two billion, one hundred twenty-eight million, eight hundred thirty-four thousand, five hundred seventy-five".
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