Base | Representation |
---|---|
bin | 11001100110011110… |
… | …011111011001111000 |
3 | 2121221202112120201221 |
4 | 121212132133121320 |
5 | 422244200312020 |
6 | 20343414121424 |
7 | 1662130156162 |
oct | 314636373170 |
9 | 77852476657 |
10 | 27489072760 |
11 | 10726957256 |
12 | 53b2050274 |
13 | 279110b036 |
14 | 148ab91932 |
15 | aad4906aa |
hex | 66679f678 |
27489072760 has 32 divisors (see below), whose sum is σ = 65488674960. Its totient is φ = 10348827136.
The previous prime is 27489072731. The next prime is 27489072847. The reversal of 27489072760 is 6727098472.
It is a junction number, because it is equal to n+sod(n) for n = 27489072698 and 27489072707.
It is a congruent number.
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, 20211874 + ... + 20213233.
Almost surely, 227489072760 is an apocalyptic number.
27489072760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
27489072760 is an abundant number, since it is smaller than the sum of its proper divisors (37999602200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27489072760 is a wasteful number, since it uses less digits than its factorization.
27489072760 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40425135 (or 40425131 counting only the distinct ones).
The product of its (nonzero) digits is 2370816, while the sum is 52.
The spelling of 27489072760 in words is "twenty-seven billion, four hundred eighty-nine million, seventy-two thousand, seven hundred sixty".
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