Base | Representation |
---|---|
bin | 11001001001101000… |
… | …011011000011100000 |
3 | 2120201000221002211201 |
4 | 121021220123003200 |
5 | 420301303341440 |
6 | 20223405450544 |
7 | 1644132610123 |
oct | 311150330340 |
9 | 76630832751 |
10 | 27005137120 |
11 | 104a8772245 |
12 | 5297b70a54 |
13 | 2714a8bba0 |
14 | 14427bc3ba |
15 | a80c4c19a |
hex | 649a1b0e0 |
27005137120 has 48 divisors (see below), whose sum is σ = 68707306080. Its totient is φ = 9971126784.
The previous prime is 27005137099. The next prime is 27005137129. The reversal of 27005137120 is 2173150072.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27005137129) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6489540 + ... + 6493699.
It is an arithmetic number, because the mean of its divisors is an integer number (1431402210).
Almost surely, 227005137120 is an apocalyptic number.
27005137120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
27005137120 is an abundant number, since it is smaller than the sum of its proper divisors (41702168960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27005137120 is a wasteful number, since it uses less digits than its factorization.
27005137120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12983267 (or 12983259 counting only the distinct ones).
The product of its (nonzero) digits is 2940, while the sum is 28.
Adding to 27005137120 its reverse (2173150072), we get a palindrome (29178287192).
The spelling of 27005137120 in words is "twenty-seven billion, five million, one hundred thirty-seven thousand, one hundred twenty".
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