Base | Representation |
---|---|
bin | 1011111110110000010… |
… | …1101011000110001000 |
3 | 201200021020212111101200 |
4 | 2333230011223012020 |
5 | 11333012014420003 |
6 | 234315430344200 |
7 | 20604343206453 |
oct | 2775405530610 |
9 | 650236774350 |
10 | 205824373128 |
11 | 7a320546a10 |
12 | 33a821bb060 |
13 | 16541bb56ca |
14 | 9d6785449a |
15 | 55499696a3 |
hex | 2fec16b188 |
205824373128 has 96 divisors (see below), whose sum is σ = 608195952000. Its totient is φ = 62362972800.
The previous prime is 205824373127. The next prime is 205824373159. The reversal of 205824373128 is 821373428502.
205824373128 is a `hidden beast` number, since 2 + 0 + 582 + 4 + 37 + 31 + 2 + 8 = 666.
205824373128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-4 number, since 4×2058243731284 (a number of 46 digits) contains 4444 as substring.
It is not an unprimeable number, because it can be changed into a prime (205824373127) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9611313 + ... + 9632703.
It is an arithmetic number, because the mean of its divisors is an integer number (6335374500).
Almost surely, 2205824373128 is an apocalyptic number.
It is an amenable number.
205824373128 is an abundant number, since it is smaller than the sum of its proper divisors (402371578872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
205824373128 is a wasteful number, since it uses less digits than its factorization.
205824373128 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33563 (or 33556 counting only the distinct ones).
The product of its (nonzero) digits is 645120, while the sum is 45.
The spelling of 205824373128 in words is "two hundred five billion, eight hundred twenty-four million, three hundred seventy-three thousand, one hundred twenty-eight".
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