Base | Representation |
---|---|
bin | 111100001101110… |
… | …1001110011111010 |
3 | 12012210221210121100 |
4 | 1320123221303322 |
5 | 13114222440231 |
6 | 532254352230 |
7 | 101033044323 |
oct | 17033516372 |
9 | 5183853540 |
10 | 2020515066 |
11 | 947589969 |
12 | 4847bb676 |
13 | 2627ab05b |
14 | 1524b944a |
15 | bc5b61e6 |
hex | 786e9cfa |
2020515066 has 24 divisors (see below), whose sum is σ = 4380480000. Its totient is φ = 673090056.
The previous prime is 2020515061. The next prime is 2020515067. The reversal of 2020515066 is 6605150202.
It is a super-2 number, since 2×20205150662 = 8164962263865968712, which contains 22 as substring.
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 11 ways as a sum of consecutive naturals, for example, 3816 + ... + 63683.
It is an arithmetic number, because the mean of its divisors is an integer number (182520000).
Almost surely, 22020515066 is an apocalyptic number.
2020515066 is an abundant number, since it is smaller than the sum of its proper divisors (2359964934).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2020515066 is a wasteful number, since it uses less digits than its factorization.
2020515066 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69170 (or 69167 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 27.
The square root of 2020515066 is about 44950.1397773133. The cubic root of 2020515066 is about 1264.2142977238.
Adding to 2020515066 its reverse (6605150202), we get a palindrome (8625665268).
The spelling of 2020515066 in words is "two billion, twenty million, five hundred fifteen thousand, sixty-six".
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