Base | Representation |
---|---|
bin | 11001001110001011… |
… | …010001010110001100 |
3 | 2120220100101201010202 |
4 | 121032023101112030 |
5 | 420430313200020 |
6 | 20235131553032 |
7 | 1646046641213 |
oct | 311613212614 |
9 | 76810351122 |
10 | 27081381260 |
11 | 1053780862a |
12 | 52b95bb778 |
13 | 272780586b |
14 | 144c98807a |
15 | a877ace75 |
hex | 64e2d158c |
27081381260 has 24 divisors (see below), whose sum is σ = 56918862000. Its totient is φ = 10823417024.
The previous prime is 27081381241. The next prime is 27081381277. The reversal of 27081381260 is 6218318072.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546635 + ... + 594114.
It is an arithmetic number, because the mean of its divisors is an integer number (2371619250).
Almost surely, 227081381260 is an apocalyptic number.
27081381260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
27081381260 is an abundant number, since it is smaller than the sum of its proper divisors (29837480740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27081381260 is a wasteful number, since it uses less digits than its factorization.
27081381260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1141945 (or 1141943 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 38.
The spelling of 27081381260 in words is "twenty-seven billion, eighty-one million, three hundred eighty-one thousand, two hundred sixty".
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