Base | Representation |
---|---|
bin | 100010100100… |
… | …1100100100000 |
3 | 1021002221202102 |
4 | 1011021210200 |
5 | 14120032021 |
6 | 1444305532 |
7 | 310035536 |
oct | 105114440 |
9 | 37087672 |
10 | 18127136 |
11 | a261205 |
12 | 60a22a8 |
13 | 39a8b21 |
14 | 259c156 |
15 | 18d100b |
hex | 1149920 |
18127136 has 24 divisors (see below), whose sum is σ = 36022140. Its totient is φ = 8978688.
The previous prime is 18127127. The next prime is 18127163. The reversal of 18127136 is 63172181.
It can be written as a sum of positive squares in 2 ways, for example, as 18011536 + 115600 = 4244^2 + 340^2 .
It is a junction number, because it is equal to n+sod(n) for n = 18127099 and 18127108.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 890 + ... + 6086.
Almost surely, 218127136 is an apocalyptic number.
18127136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
18127136 is a deficient number, since it is larger than the sum of its proper divisors (17895004).
18127136 is a wasteful number, since it uses less digits than its factorization.
18127136 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5316 (or 5308 counting only the distinct ones).
The product of its digits is 2016, while the sum is 29.
The square root of 18127136 is about 4257.5974445689. The cubic root of 18127136 is about 262.6897119905.
The spelling of 18127136 in words is "eighteen million, one hundred twenty-seven thousand, one hundred thirty-six".
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