Base | Representation |
---|---|
bin | 11001111010100000… |
… | …010001100110001101 |
3 | 2122211011210202121210 |
4 | 121322200101212031 |
5 | 423441210203223 |
6 | 20441020045033 |
7 | 2003350214151 |
oct | 317240214615 |
9 | 78734722553 |
10 | 27825084813 |
11 | 10889598069 |
12 | 5486693779 |
13 | 2815907436 |
14 | 14bd65b061 |
15 | accc14893 |
hex | 67a81198d |
27825084813 has 32 divisors (see below), whose sum is σ = 38407219200. Its totient is φ = 17909796800.
The previous prime is 27825084787. The next prime is 27825084817. The reversal of 27825084813 is 31848052872.
It is a cyclic number.
It is not a de Polignac number, because 27825084813 - 28 = 27825084557 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27825084817) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3376408 + ... + 3384638.
It is an arithmetic number, because the mean of its divisors is an integer number (1200225600).
Almost surely, 227825084813 is an apocalyptic number.
It is an amenable number.
27825084813 is a deficient number, since it is larger than the sum of its proper divisors (10582134387).
27825084813 is a wasteful number, since it uses less digits than its factorization.
27825084813 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8633.
The product of its (nonzero) digits is 860160, while the sum is 48.
The spelling of 27825084813 in words is "twenty-seven billion, eight hundred twenty-five million, eighty-four thousand, eight hundred thirteen".
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