Base | Representation |
---|---|
bin | 11001111001001001… |
… | …111111111011100111 |
3 | 2122202121020201021200 |
4 | 121321021333323213 |
5 | 423414412434241 |
6 | 20434451213543 |
7 | 2002654036140 |
oct | 317111777347 |
9 | 78677221250 |
10 | 27802468071 |
11 | 1087784a844 |
12 | 547aba72b3 |
13 | 2811018c51 |
14 | 14ba650ac7 |
15 | acac484b6 |
hex | 67927fee7 |
27802468071 has 24 divisors (see below), whose sum is σ = 46524859680. Its totient is φ = 15669490176.
The previous prime is 27802468063. The next prime is 27802468073. The reversal of 27802468071 is 17086420872.
It is not a de Polignac number, because 27802468071 - 23 = 27802468063 is a prime.
It is a super-2 number, since 2×278024680712 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27802468073) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3018066 + ... + 3027263.
It is an arithmetic number, because the mean of its divisors is an integer number (1938535820).
Almost surely, 227802468071 is an apocalyptic number.
27802468071 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
27802468071 is a deficient number, since it is larger than the sum of its proper divisors (18722391609).
27802468071 is a wasteful number, since it uses less digits than its factorization.
27802468071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6045415 (or 6045412 counting only the distinct ones).
The product of its (nonzero) digits is 301056, while the sum is 45.
The spelling of 27802468071 in words is "twenty-seven billion, eight hundred two million, four hundred sixty-eight thousand, seventy-one".
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