Base | Representation |
---|---|
bin | 111100001111010… |
… | …1010001011110110 |
3 | 12012212102211111012 |
4 | 1320132222023312 |
5 | 13114423144110 |
6 | 532323312222 |
7 | 101042535515 |
oct | 17036521366 |
9 | 5185384435 |
10 | 2021303030 |
11 | 947a7797a |
12 | 484b1b672 |
13 | 2629c58c6 |
14 | 15264267c |
15 | bc6be905 |
hex | 787aa2f6 |
2021303030 has 32 divisors (see below), whose sum is σ = 3872901600. Its totient is φ = 757354752.
The previous prime is 2021303023. The next prime is 2021303041. The reversal of 2021303030 is 303031202.
It is a junction number, because it is equal to n+sod(n) for n = 2021302996 and 2021303014.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42857 + ... + 76676.
It is an arithmetic number, because the mean of its divisors is an integer number (121028175).
Almost surely, 22021303030 is an apocalyptic number.
2021303030 is a deficient number, since it is larger than the sum of its proper divisors (1851598570).
2021303030 is a wasteful number, since it uses less digits than its factorization.
2021303030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 119648.
The product of its (nonzero) digits is 108, while the sum is 14.
The square root of 2021303030 is about 44958.9037900169. The cubic root of 2021303030 is about 1264.3786165330.
Adding to 2021303030 its reverse (303031202), we get a palindrome (2324334232).
The spelling of 2021303030 in words is "two billion, twenty-one million, three hundred three thousand, thirty".
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