Base | Representation |
---|---|
bin | 1100010011110011011111… |
… | …00101011011101010001111 |
3 | 10112211202012010221022101120 |
4 | 12021321233211123222033 |
5 | 12021443303012423431 |
6 | 133323114223012023 |
7 | 5462440002345042 |
oct | 611715745335217 |
9 | 115752163838346 |
10 | 27068755982991 |
11 | 8696882087018 |
12 | 305213373a013 |
13 | 121475a3c0468 |
14 | 6981c5b9cc59 |
15 | 31e1c1863196 |
hex | 189e6f95ba8f |
27068755982991 has 16 divisors (see below), whose sum is σ = 36375025505280. Its totient is φ = 17904221300160.
The previous prime is 27068755982971. The next prime is 27068755983011. The reversal of 27068755982991 is 19928955786072.
It is an interprime number because it is at equal distance from previous prime (27068755982971) and next prime (27068755983011).
It is not a de Polignac number, because 27068755982991 - 25 = 27068755982959 is a prime.
It is a super-2 number, since 2×270687559829912 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27068755982911) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5600590 + ... + 9246843.
It is an arithmetic number, because the mean of its divisors is an integer number (2273439094080).
Almost surely, 227068755982991 is an apocalyptic number.
27068755982991 is a deficient number, since it is larger than the sum of its proper divisors (9306269522289).
27068755982991 is a wasteful number, since it uses less digits than its factorization.
27068755982991 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14852206.
The product of its (nonzero) digits is 1371686400, while the sum is 78.
The spelling of 27068755982991 in words is "twenty-seven trillion, sixty-eight billion, seven hundred fifty-five million, nine hundred eighty-two thousand, nine hundred ninety-one".
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