Base | Representation |
---|---|
bin | 1000000101001000010011 |
3 | 10222121120111 |
4 | 20011020103 |
5 | 1020240123 |
6 | 113222151 |
7 | 24001255 |
oct | 10051023 |
9 | 3877514 |
10 | 2118163 |
11 | 1217453 |
12 | 861957 |
13 | 592168 |
14 | 3d1cd5 |
15 | 2bc90d |
hex | 205213 |
2118163 has 2 divisors, whose sum is σ = 2118164. Its totient is φ = 2118162.
The previous prime is 2118121. The next prime is 2118169. The reversal of 2118163 is 3618112.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2118163 - 29 = 2117651 is a prime.
It is a super-2 number, since 2×21181632 = 8973228989138, which contains 22 as substring.
It is an Ulam number.
It is equal to p157072 and since 2118163 and 157072 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (2118169) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1059081 + 1059082.
It is an arithmetic number, because the mean of its divisors is an integer number (1059082).
22118163 is an apocalyptic number.
2118163 is a deficient number, since it is larger than the sum of its proper divisors (1).
2118163 is an equidigital number, since it uses as much as digits as its factorization.
2118163 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 288, while the sum is 22.
The square root of 2118163 is about 1455.3910127522. The cubic root of 2118163 is about 128.4260502005.
The spelling of 2118163 in words is "two million, one hundred eighteen thousand, one hundred sixty-three".
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