Base | Representation |
---|---|
bin | 111100001101101… |
… | …1010100010110011 |
3 | 12012210211121211020 |
4 | 1320123122202303 |
5 | 13114213440111 |
6 | 532253150523 |
7 | 101032364106 |
oct | 17033324263 |
9 | 5183747736 |
10 | 2020452531 |
11 | 947546989 |
12 | 48478b443 |
13 | 262788756 |
14 | 1524a073d |
15 | bc5a2906 |
hex | 786da8b3 |
2020452531 has 16 divisors (see below), whose sum is σ = 2708826624. Its totient is φ = 1339541504.
The previous prime is 2020452491. The next prime is 2020452541. The reversal of 2020452531 is 1352540202.
It is a cyclic number.
It is not a de Polignac number, because 2020452531 - 218 = 2020190387 is a prime.
It is a super-2 number, since 2×20204525312 = 8164456860048611922, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2020452541) 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 15 ways as a sum of consecutive naturals, for example, 571090 + ... + 574616.
It is an arithmetic number, because the mean of its divisors is an integer number (169301664).
Almost surely, 22020452531 is an apocalyptic number.
2020452531 is a deficient number, since it is larger than the sum of its proper divisors (688374093).
2020452531 is a wasteful number, since it uses less digits than its factorization.
2020452531 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4530.
The product of its (nonzero) digits is 2400, while the sum is 24.
The square root of 2020452531 is about 44949.4441678649. Note that the first 3 decimals coincide. The cubic root of 2020452531 is about 1264.2012550995.
Adding to 2020452531 its reverse (1352540202), we get a palindrome (3372992733).
The spelling of 2020452531 in words is "two billion, twenty million, four hundred fifty-two thousand, five hundred thirty-one".
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