Base | Representation |
---|---|
bin | 110011101101… |
… | …1001011001011 |
3 | 1220000102212022 |
4 | 1213123023023 |
5 | 23420042024 |
6 | 2405035055 |
7 | 446310065 |
oct | 147331313 |
9 | 56012768 |
10 | 27112139 |
11 | 1433882a |
12 | 90b5a8b |
13 | 58036b2 |
14 | 385a735 |
15 | 25a835e |
hex | 19db2cb |
27112139 has 2 divisors, whose sum is σ = 27112140. Its totient is φ = 27112138.
The previous prime is 27112109. The next prime is 27112181. The reversal of 27112139 is 93121172.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-27112139 is a prime.
It is not a weakly prime, because it can be changed into another prime (27112109) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13556069 + 13556070.
It is an arithmetic number, because the mean of its divisors is an integer number (13556070).
Almost surely, 227112139 is an apocalyptic number.
27112139 is a deficient number, since it is larger than the sum of its proper divisors (1).
27112139 is an equidigital number, since it uses as much as digits as its factorization.
27112139 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 756, while the sum is 26.
The square root of 27112139 is about 5206.9318221002. The cubic root of 27112139 is about 300.4147559570.
The spelling of 27112139 in words is "twenty-seven million, one hundred twelve thousand, one hundred thirty-nine".
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