Base | Representation |
---|---|
bin | 110110001011111… |
… | …0100000101110000 |
3 | 11200201020012211002 |
4 | 1230113310011300 |
5 | 12210423311000 |
6 | 500225541132 |
7 | 63025202105 |
oct | 15427640560 |
9 | 4621205732 |
10 | 1818182000 |
11 | 853353058 |
12 | 428aa47a8 |
13 | 22c8b7b4b |
14 | 13368aaac |
15 | a994a8d5 |
hex | 6c5f4170 |
1818182000 has 40 divisors (see below), whose sum is σ = 4396368912. Its totient is φ = 727272000.
The previous prime is 1818181997. The next prime is 1818182053. The reversal of 1818182000 is 2818181.
It is a tau number, because it is divible by the number of its divisors (40).
It is a plaindrome in base 14.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452546 + ... + 456545.
Almost surely, 21818182000 is an apocalyptic number.
1818182000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1818182000 is an abundant number, since it is smaller than the sum of its proper divisors (2578186912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1818182000 is an equidigital number, since it uses as much as digits as its factorization.
1818182000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 909114 (or 909098 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 29.
The square root of 1818182000 is about 42640.1454031292. The cubic root of 1818182000 is about 1220.5224851544.
The spelling of 1818182000 in words is "one billion, eight hundred eighteen million, one hundred eighty-two thousand".
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