Base | Representation |
---|---|
bin | 110001000100000100… |
… | …111010001011100101 |
3 | 12000222110222221100101 |
4 | 301010010322023211 |
5 | 1330343011321000 |
6 | 40111320344101 |
7 | 3543334305442 |
oct | 610404721345 |
9 | 160873887311 |
10 | 52681745125 |
11 | 20384520939 |
12 | a263015031 |
13 | 4c77534469 |
14 | 279a9709c9 |
15 | 1585020e6a |
hex | c4413a2e5 |
52681745125 has 8 divisors (see below), whose sum is σ = 65746818072. Its totient is φ = 42145396000.
The previous prime is 52681745119. The next prime is 52681745191. The reversal of 52681745125 is 52154718625.
It can be written as a sum of positive squares in 4 ways, for example, as 8048422369 + 44633322756 = 89713^2 + 211266^2 .
It is not a de Polignac number, because 52681745125 - 217 = 52681614053 is a prime.
It is a super-2 number, since 2×526817451252 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210726856 + ... + 210727105.
It is an arithmetic number, because the mean of its divisors is an integer number (8218352259).
Almost surely, 252681745125 is an apocalyptic number.
It is an amenable number.
52681745125 is a deficient number, since it is larger than the sum of its proper divisors (13065072947).
52681745125 is an equidigital number, since it uses as much as digits as its factorization.
52681745125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 421453976 (or 421453966 counting only the distinct ones).
The product of its digits is 672000, while the sum is 46.
The spelling of 52681745125 in words is "fifty-two billion, six hundred eighty-one million, seven hundred forty-five thousand, one hundred twenty-five".
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