Base | Representation |
---|---|
bin | 111100001101110… |
… | …1001110011111001 |
3 | 12012210221210121022 |
4 | 1320123221303321 |
5 | 13114222440230 |
6 | 532254352225 |
7 | 101033044322 |
oct | 17033516371 |
9 | 5183853538 |
10 | 2020515065 |
11 | 947589968 |
12 | 4847bb675 |
13 | 2627ab05a |
14 | 1524b9449 |
15 | bc5b61e5 |
hex | 786e9cf9 |
2020515065 has 8 divisors (see below), whose sum is σ = 2453830848. Its totient is φ = 1596936880.
The previous prime is 2020515061. The next prime is 2020515067. The reversal of 2020515065 is 5605150202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2020515065 - 22 = 2020515061 is a prime.
It is a super-2 number, since 2×20205150652 = 8164962255783908450, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2020515061) 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 7 ways as a sum of consecutive naturals, for example, 2433941 + ... + 2434770.
It is an arithmetic number, because the mean of its divisors is an integer number (306728856).
Almost surely, 22020515065 is an apocalyptic number.
It is an amenable number.
2020515065 is a deficient number, since it is larger than the sum of its proper divisors (433315783).
2020515065 is an equidigital number, since it uses as much as digits as its factorization.
2020515065 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4868799.
The product of its (nonzero) digits is 3000, while the sum is 26.
The square root of 2020515065 is about 44950.1397661898. The cubic root of 2020515065 is about 1264.2142975152.
Adding to 2020515065 its reverse (5605150202), we get a palindrome (7625665267).
The spelling of 2020515065 in words is "two billion, twenty million, five hundred fifteen thousand, sixty-five".
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