Base | Representation |
---|---|
bin | 111011101000110… |
… | …1010101011110110 |
3 | 12011110110102120012 |
4 | 1313101222223312 |
5 | 13044241314430 |
6 | 530322540222 |
7 | 100406145032 |
oct | 16721525366 |
9 | 5143412505 |
10 | 2001119990 |
11 | 937642081 |
12 | 47a207672 |
13 | 25b77a08c |
14 | 14daab1c2 |
15 | baa34695 |
hex | 7746aaf6 |
2001119990 has 16 divisors (see below), whose sum is σ = 3602530080. Its totient is φ = 800333760.
The previous prime is 2001119971. The next prime is 2001119999. The reversal of 2001119990 is 999111002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2001119999) 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, 115175 + ... + 131405.
It is an arithmetic number, because the mean of its divisors is an integer number (225158130).
Almost surely, 22001119990 is an apocalyptic number.
2001119990 is a deficient number, since it is larger than the sum of its proper divisors (1601410090).
2001119990 is a wasteful number, since it uses less digits than its factorization.
2001119990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28567.
The product of its (nonzero) digits is 1458, while the sum is 32.
The square root of 2001119990 is about 44733.8796663111. The cubic root of 2001119990 is about 1260.1561891708.
The spelling of 2001119990 in words is "two billion, one million, one hundred nineteen thousand, nine hundred ninety".
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