Base | Representation |
---|---|
bin | 111100001101000… |
… | …0101110100101111 |
3 | 12012210011222210221 |
4 | 1320122011310233 |
5 | 13114121334034 |
6 | 532241512211 |
7 | 101026420315 |
oct | 17032056457 |
9 | 5183158727 |
10 | 2020105519 |
11 | 94732a1a3 |
12 | 484642667 |
13 | 262696813 |
14 | 1524100b5 |
15 | bc534bb4 |
hex | 78685d2f |
2020105519 has 8 divisors (see below), whose sum is σ = 2095040160. Its totient is φ = 1945522656.
The previous prime is 2020105513. The next prime is 2020105559. The reversal of 2020105519 is 9155010202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2020105519 - 23 = 2020105511 is a prime.
It is a super-2 number, since 2×20201055192 = 8161652615788518722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2020105493 and 2020105502.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2020105511) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76219 + ... + 99244.
It is an arithmetic number, because the mean of its divisors is an integer number (261880020).
Almost surely, 22020105519 is an apocalyptic number.
2020105519 is a gapful number since it is divisible by the number (29) formed by its first and last digit.
2020105519 is a deficient number, since it is larger than the sum of its proper divisors (74934641).
2020105519 is a wasteful number, since it uses less digits than its factorization.
2020105519 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 175889.
The product of its (nonzero) digits is 900, while the sum is 25.
The square root of 2020105519 is about 44945.5839766267. The cubic root of 2020105519 is about 1264.1288755844.
The spelling of 2020105519 in words is "two billion, twenty million, one hundred five thousand, five hundred nineteen".
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