Base | Representation |
---|---|
bin | 11001011111111110… |
… | …111010111011001100 |
3 | 2121200011112220021111 |
4 | 121133332322323030 |
5 | 422033303233310 |
6 | 20324523141404 |
7 | 1656335203222 |
oct | 313776727314 |
9 | 77604486244 |
10 | 27380133580 |
11 | 1068040a678 |
12 | 5381674864 |
13 | 2774687797 |
14 | 147a514b12 |
15 | aa3b2228a |
hex | 65ffbaecc |
27380133580 has 24 divisors (see below), whose sum is σ = 57505225680. Its totient is φ = 10950730560.
The previous prime is 27380133509. The next prime is 27380133587. The reversal of 27380133580 is 8533108372.
It is not an unprimeable number, because it can be changed into a prime (27380133587) 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, 96511 + ... + 253129.
It is an arithmetic number, because the mean of its divisors is an integer number (2396051070).
Almost surely, 227380133580 is an apocalyptic number.
27380133580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
27380133580 is an abundant number, since it is smaller than the sum of its proper divisors (30125092100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27380133580 is a wasteful number, since it uses less digits than its factorization.
27380133580 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 165369 (or 165367 counting only the distinct ones).
The product of its (nonzero) digits is 120960, while the sum is 40.
The spelling of 27380133580 in words is "twenty-seven billion, three hundred eighty million, one hundred thirty-three thousand, five hundred eighty".
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