Base | Representation |
---|---|
bin | 110011101111… |
… | …1100010100011 |
3 | 1220001100101112 |
4 | 1213133202203 |
5 | 23421130034 |
6 | 2405253535 |
7 | 446413160 |
oct | 147374243 |
9 | 56040345 |
10 | 27130019 |
11 | 14350204 |
12 | 91042ab |
13 | 580b887 |
14 | 3863067 |
15 | 25ad7ce |
hex | 19df8a3 |
27130019 has 8 divisors (see below), whose sum is σ = 31212288. Its totient is φ = 23099400.
The previous prime is 27130007. The next prime is 27130021. The reversal of 27130019 is 91003172.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 27130019 - 216 = 27064483 is a prime.
It is a super-2 number, since 2×271300192 = 1472075861880722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 27129976 and 27130003.
It is not an unprimeable number, because it can be changed into a prime (27130039) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11777 + ... + 13890.
It is an arithmetic number, because the mean of its divisors is an integer number (3901536).
Almost surely, 227130019 is an apocalyptic number.
27130019 is a deficient number, since it is larger than the sum of its proper divisors (4082269).
27130019 is a wasteful number, since it uses less digits than its factorization.
27130019 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25825.
The product of its (nonzero) digits is 378, while the sum is 23.
The square root of 27130019 is about 5208.6484811321. The cubic root of 27130019 is about 300.4807809392.
The spelling of 27130019 in words is "twenty-seven million, one hundred thirty thousand, nineteen".
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