Base | Representation |
---|---|
bin | 11001100101111111… |
… | …100111110011010100 |
3 | 2121221012022110111201 |
4 | 121211333213303110 |
5 | 422240112340232 |
6 | 20342524442244 |
7 | 1662001324144 |
oct | 314577476324 |
9 | 77835273451 |
10 | 27480980692 |
11 | 1072232a5a0 |
12 | 53ab3a9384 |
13 | 278c536a29 |
14 | 1489a86924 |
15 | aac8e2be7 |
hex | 665fe7cd4 |
27480980692 has 24 divisors (see below), whose sum is σ = 55549791360. Its totient is φ = 11756568960.
The previous prime is 27480980669. The next prime is 27480980711. The reversal of 27480980692 is 29608908472.
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, 18368892 + ... + 18370387.
It is an arithmetic number, because the mean of its divisors is an integer number (2314574640).
Almost surely, 227480980692 is an apocalyptic number.
27480980692 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
27480980692 is an abundant number, since it is smaller than the sum of its proper divisors (28068810668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27480980692 is a wasteful number, since it uses less digits than its factorization.
27480980692 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36739311 (or 36739309 counting only the distinct ones).
The product of its (nonzero) digits is 3483648, while the sum is 55.
The spelling of 27480980692 in words is "twenty-seven billion, four hundred eighty million, nine hundred eighty thousand, six hundred ninety-two".
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