Base | Representation |
---|---|
bin | 111011101010100… |
… | …0110011010010110 |
3 | 12011112011011010112 |
4 | 1313111012122112 |
5 | 13100004114430 |
6 | 530354123022 |
7 | 100416613655 |
oct | 16725063226 |
9 | 5145134115 |
10 | 2002019990 |
11 | 9380a7283 |
12 | 47a580472 |
13 | 25ba03919 |
14 | 14dc6319c |
15 | bab61195 |
hex | 77546696 |
2002019990 has 64 divisors (see below), whose sum is σ = 3819847680. Its totient is φ = 754341120.
The previous prime is 2002019947. The next prime is 2002020029. The reversal of 2002019990 is 999102002.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4560191 + ... + 4560629.
It is an arithmetic number, because the mean of its divisors is an integer number (59685120).
Almost surely, 22002019990 is an apocalyptic number.
2002019990 is a deficient number, since it is larger than the sum of its proper divisors (1817827690).
2002019990 is a wasteful number, since it uses less digits than its factorization.
2002019990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 837.
The product of its (nonzero) digits is 2916, while the sum is 32.
The square root of 2002019990 is about 44743.9380251672. The cubic root of 2002019990 is about 1260.3450784916.
The spelling of 2002019990 in words is "two billion, two million, nineteen thousand, nine hundred ninety".
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