Base | Representation |
---|---|
bin | 11001001001010110… |
… | …100011111011001100 |
3 | 2120200201010012222200 |
4 | 121021112203323030 |
5 | 420244104023420 |
6 | 20223121241500 |
7 | 1644045036201 |
oct | 311126437314 |
9 | 76621105880 |
10 | 27000454860 |
11 | 104a6064405 |
12 | 5296493290 |
13 | 2713b0c912 |
14 | 1441d1dca8 |
15 | a80624b90 |
hex | 6495a3ecc |
27000454860 has 144 divisors (see below), whose sum is σ = 85568071680. Its totient is φ = 6878551680.
The previous prime is 27000454853. The next prime is 27000454891. The reversal of 27000454860 is 6845400072.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3767961 + ... + 3775119.
It is an arithmetic number, because the mean of its divisors is an integer number (594222720).
Almost surely, 227000454860 is an apocalyptic number.
27000454860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 27000454860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42784035840).
27000454860 is an abundant number, since it is smaller than the sum of its proper divisors (58567616820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27000454860 is a wasteful number, since it uses less digits than its factorization.
27000454860 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8108 (or 8103 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 36.
The spelling of 27000454860 in words is "twenty-seven billion, four hundred fifty-four thousand, eight hundred sixty".
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