Base | Representation |
---|---|
bin | 111100011111111… |
… | …1010100110001001 |
3 | 12020110211202022000 |
4 | 1320333322212021 |
5 | 13124141133001 |
6 | 533234221213 |
7 | 101206615401 |
oct | 17077724611 |
9 | 5213752260 |
10 | 2030021001 |
11 | 951991908 |
12 | 487a24809 |
13 | 264758a78 |
14 | 153871801 |
15 | bd342a86 |
hex | 78ffa989 |
2030021001 has 8 divisors (see below), whose sum is σ = 3007438560. Its totient is φ = 1353347316.
The previous prime is 2030020997. The next prime is 2030021041. The reversal of 2030021001 is 1001200302.
It is a happy number.
It is not a de Polignac number, because 2030021001 - 22 = 2030020997 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2030021041) 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, 37592955 + ... + 37593008.
It is an arithmetic number, because the mean of its divisors is an integer number (375929820).
Almost surely, 22030021001 is an apocalyptic number.
It is an amenable number.
2030021001 is a deficient number, since it is larger than the sum of its proper divisors (977417559).
2030021001 is an equidigital number, since it uses as much as digits as its factorization.
2030021001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75185972 (or 75185966 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
The square root of 2030021001 is about 45055.7543605697. The cubic root of 2030021001 is about 1266.1937833686.
Adding to 2030021001 its reverse (1001200302), we get a palindrome (3031221303).
The spelling of 2030021001 in words is "two billion, thirty million, twenty-one thousand, one".
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