Base | Representation |
---|---|
bin | 110101111010011… |
… | …0010011110001010 |
3 | 11200001221201221020 |
4 | 1223310302132022 |
5 | 12201101002310 |
6 | 455301053310 |
7 | 62554151304 |
oct | 15364623612 |
9 | 4601851836 |
10 | 1809000330 |
11 | 8491517a5 |
12 | 4259b7236 |
13 | 22aa218c7 |
14 | 13237a974 |
15 | a8c35170 |
hex | 6bd3278a |
1809000330 has 32 divisors (see below), whose sum is σ = 4383759744. Its totient is φ = 477715776.
The previous prime is 1809000289. The next prime is 1809000377. The reversal of 1809000330 is 330009081.
It is a self number, because there is not a number n which added to its sum of digits gives 1809000330.
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 15 ways as a sum of consecutive naturals, for example, 289629 + ... + 295808.
It is an arithmetic number, because the mean of its divisors is an integer number (136992492).
Almost surely, 21809000330 is an apocalyptic number.
1809000330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1809000330 is an abundant number, since it is smaller than the sum of its proper divisors (2574759414).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1809000330 is a wasteful number, since it uses less digits than its factorization.
1809000330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 585550.
The product of its (nonzero) digits is 648, while the sum is 24.
The square root of 1809000330 is about 42532.3445156742. The cubic root of 1809000330 is about 1218.4645042250.
The spelling of 1809000330 in words is "one billion, eight hundred nine million, three hundred thirty", and thus it is an aban number.
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