Base | Representation |
---|---|
bin | 111011101001000… |
… | …0000111010001011 |
3 | 12011110122001102122 |
4 | 1313102000322023 |
5 | 13044302223034 |
6 | 530324521455 |
7 | 100410004313 |
oct | 16722007213 |
9 | 5143561378 |
10 | 2001211019 |
11 | 9376a4505 |
12 | 47a25028b |
13 | 25b7ac642 |
14 | 14dad2443 |
15 | baa5162e |
hex | 77480e8b |
2001211019 has 8 divisors (see below), whose sum is σ = 2015087760. Its totient is φ = 1987348896.
The previous prime is 2001210989. The next prime is 2001211027. The reversal of 2001211019 is 9101121002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2001211019 - 28 = 2001210763 is a prime.
It is a super-2 number, since 2×20012110192 = 8009691085134036722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2001210988 and 2001211006.
It is not an unprimeable number, because it can be changed into a prime (2001211519) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527672 + ... + 531450.
It is an arithmetic number, because the mean of its divisors is an integer number (251885970).
Almost surely, 22001211019 is an apocalyptic number.
2001211019 is a deficient number, since it is larger than the sum of its proper divisors (13876741).
2001211019 is a wasteful number, since it uses less digits than its factorization.
2001211019 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7309.
The product of its (nonzero) digits is 36, while the sum is 17.
The square root of 2001211019 is about 44734.8971050566. The cubic root of 2001211019 is about 1260.1752966405.
The spelling of 2001211019 in words is "two billion, one million, two hundred eleven thousand, nineteen".
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