| Base | Representation |
|---|---|
| bin | 11001100110011001… |
| … | …111011010101000000 |
| 3 | 2121221200021210122220 |
| 4 | 121212121323111000 |
| 5 | 422243344021131 |
| 6 | 20343332331040 |
| 7 | 1662114044250 |
| oct | 314631732500 |
| 9 | 77850253586 |
| 10 | 27487876416 |
| 11 | 1072620a440 |
| 12 | 53b1773a80 |
| 13 | 2790aac640 |
| 14 | 148a95d960 |
| 15 | aad305e96 |
| hex | 66667b540 |
27487876416 has 448 divisors, whose sum is σ = 98807869440. Its totient is φ = 6512394240.
The previous prime is 27487876411. The next prime is 27487876439. The reversal of 27487876416 is 61467878472.
It is a tau number, because it is divible by the number of its divisors (448).
It is a super-2 number, since 2×274878764162 (a number of 22 digits) contains 22 as substring.
It is a nude number because it is divisible by every one of its digits.
It is a self number, because there is not a number n which added to its sum of digits gives 27487876416.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27487876411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17104285 + ... + 17105891.
It is an arithmetic number, because the mean of its divisors is an integer number (220553280).
Almost surely, 227487876416 is an apocalyptic number.
27487876416 is a gapful number since it is divisible by the number (26) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 27487876416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49403934720).
27487876416 is an abundant number, since it is smaller than the sum of its proper divisors (71319993024).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27487876416 is a wasteful number, since it uses less digits than its factorization.
27487876416 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1742 (or 1732 counting only the distinct ones).
The product of its digits is 25288704, while the sum is 60.
The spelling of 27487876416 in words is "twenty-seven billion, four hundred eighty-seven million, eight hundred seventy-six thousand, four hundred sixteen".
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