Base | Representation |
---|---|
bin | 110110001011111… |
… | …0100000110100101 |
3 | 11200201020012220001 |
4 | 1230113310012211 |
5 | 12210423311203 |
6 | 500225541301 |
7 | 63025202212 |
oct | 15427640645 |
9 | 4621205801 |
10 | 1818182053 |
11 | 8533530a6 |
12 | 428aa4831 |
13 | 22c8b7b8c |
14 | 13368ab09 |
15 | a994a91d |
hex | 6c5f41a5 |
1818182053 has 2 divisors, whose sum is σ = 1818182054. Its totient is φ = 1818182052.
The previous prime is 1818181997. The next prime is 1818182087. The reversal of 1818182053 is 3502818181.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1412481889 + 405700164 = 37583^2 + 20142^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1818182053 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1818185053) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 909091026 + 909091027.
It is an arithmetic number, because the mean of its divisors is an integer number (909091027).
Almost surely, 21818182053 is an apocalyptic number.
It is an amenable number.
1818182053 is a deficient number, since it is larger than the sum of its proper divisors (1).
1818182053 is an equidigital number, since it uses as much as digits as its factorization.
1818182053 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 15360, while the sum is 37.
The square root of 1818182053 is about 42640.1460246092. The cubic root of 1818182053 is about 1220.5224970138.
The spelling of 1818182053 in words is "one billion, eight hundred eighteen million, one hundred eighty-two thousand, fifty-three".
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