Base | Representation |
---|---|
bin | 11010000100001110… |
… | …001010101100100001 |
3 | 2200020112120022021212 |
4 | 122010032022230201 |
5 | 424304424010423 |
6 | 20505122155505 |
7 | 2010400003445 |
oct | 320416125441 |
9 | 80215508255 |
10 | 27988110113 |
11 | 10962616417 |
12 | 55111b2b95 |
13 | 2840616c02 |
14 | 14d7176825 |
15 | adc1b8578 |
hex | 68438ab21 |
27988110113 has 8 divisors (see below), whose sum is σ = 29479648320. Its totient is φ = 26498419920.
The previous prime is 27988110109. The next prime is 27988110131. The reversal of 27988110113 is 31101188972.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 27988110113 - 22 = 27988110109 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (27988110313) 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, 430853 + ... + 491538.
It is an arithmetic number, because the mean of its divisors is an integer number (3684956040).
Almost surely, 227988110113 is an apocalyptic number.
It is an amenable number.
27988110113 is a deficient number, since it is larger than the sum of its proper divisors (1491538207).
27988110113 is a wasteful number, since it uses less digits than its factorization.
27988110113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 924007.
The product of its (nonzero) digits is 24192, while the sum is 41.
The spelling of 27988110113 in words is "twenty-seven billion, nine hundred eighty-eight million, one hundred ten thousand, one hundred thirteen".
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