Base | Representation |
---|---|
bin | 11010000010011110… |
… | …101011001011010111 |
3 | 2200011111120102021100 |
4 | 122002132223023113 |
5 | 424224433224111 |
6 | 20502155521143 |
7 | 2006563404342 |
oct | 320236531327 |
9 | 80144512240 |
10 | 27958883031 |
11 | 10948073702 |
12 | 55034591b3 |
13 | 2837552991 |
14 | 14d3329459 |
15 | ad9843756 |
hex | 6827ab2d7 |
27958883031 has 6 divisors (see below), whose sum is σ = 40385053280. Its totient is φ = 18639255348.
The previous prime is 27958883003. The next prime is 27958883039. The reversal of 27958883031 is 13038885972.
27958883031 is a `hidden beast` number, since 27 + 9 + 588 + 8 + 3 + 0 + 31 = 666.
It is not a de Polignac number, because 27958883031 - 25 = 27958882999 is a prime.
It is a super-2 number, since 2×279588830312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27958883039) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1553271271 + ... + 1553271288.
Almost surely, 227958883031 is an apocalyptic number.
27958883031 is a deficient number, since it is larger than the sum of its proper divisors (12426170249).
27958883031 is a wasteful number, since it uses less digits than its factorization.
27958883031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3106542565 (or 3106542562 counting only the distinct ones).
The product of its (nonzero) digits is 2903040, while the sum is 54.
The spelling of 27958883031 in words is "twenty-seven billion, nine hundred fifty-eight million, eight hundred eighty-three thousand, thirty-one".
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