Base | Representation |
---|---|
bin | 10010101011111000… |
… | …100000001101100101 |
3 | 1220210021011201122101 |
4 | 102223320200031211 |
5 | 312042234211000 |
6 | 13114520132101 |
7 | 1310123442163 |
oct | 225370401545 |
9 | 56707151571 |
10 | 20063585125 |
11 | 8566409511 |
12 | 3a7b307031 |
13 | 1b7990b67c |
14 | d84918233 |
15 | 7c662ae6a |
hex | 4abe20365 |
20063585125 has 8 divisors (see below), whose sum is σ = 25039354392. Its totient is φ = 16050868000.
The previous prime is 20063585123. The next prime is 20063585131. The reversal of 20063585125 is 52158536002.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 833938884 + 19229646241 = 28878^2 + 138671^2 .
It is not a de Polignac number, because 20063585125 - 21 = 20063585123 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20063585123) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80254216 + ... + 80254465.
It is an arithmetic number, because the mean of its divisors is an integer number (3129919299).
Almost surely, 220063585125 is an apocalyptic number.
20063585125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
20063585125 is a deficient number, since it is larger than the sum of its proper divisors (4975769267).
20063585125 is an equidigital number, since it uses as much as digits as its factorization.
20063585125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 160508696 (or 160508686 counting only the distinct ones).
The product of its (nonzero) digits is 72000, while the sum is 37.
The spelling of 20063585125 in words is "twenty billion, sixty-three million, five hundred eighty-five thousand, one hundred twenty-five".
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