Base | Representation |
---|---|
bin | 111011101001000… |
… | …0000101010101110 |
3 | 12011110122000002000 |
4 | 1313102000222232 |
5 | 13044302210110 |
6 | 530324513130 |
7 | 100410001401 |
oct | 16722005256 |
9 | 5143560060 |
10 | 2001210030 |
11 | 9376a3796 |
12 | 47a24b7a6 |
13 | 25b7ac061 |
14 | 14dad1d38 |
15 | baa511c0 |
hex | 77480aae |
2001210030 has 32 divisors (see below), whose sum is σ = 5336560800. Its totient is φ = 533655936.
The previous prime is 2001210019. The next prime is 2001210037. The reversal of 2001210030 is 300121002.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 2001209994 and 2001210021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2001210037) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3705675 + ... + 3706214.
It is an arithmetic number, because the mean of its divisors is an integer number (166767525).
Almost surely, 22001210030 is an apocalyptic number.
2001210030 is an abundant number, since it is smaller than the sum of its proper divisors (3335350770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2001210030 is a wasteful number, since it uses less digits than its factorization.
2001210030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7411905 (or 7411899 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
The square root of 2001210030 is about 44734.8860510452. The cubic root of 2001210030 is about 1260.1750890473.
Adding to 2001210030 its reverse (300121002), we get a palindrome (2301331032).
The spelling of 2001210030 in words is "two billion, one million, two hundred ten thousand, thirty".
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