Base | Representation |
---|---|
bin | 11001010000111110… |
… | …110100010111100000 |
3 | 2121000121221222020010 |
4 | 121100332310113200 |
5 | 421024340322410 |
6 | 20243532444520 |
7 | 1650161002350 |
oct | 312076642740 |
9 | 77017858203 |
10 | 27128448480 |
11 | 10561335961 |
12 | 5311319740 |
13 | 27344a50a3 |
14 | 1454d1ab60 |
15 | a8b9a8c20 |
hex | 650fb45e0 |
27128448480 has 192 divisors, whose sum is σ = 101908896768. Its totient is φ = 5931171840.
The previous prime is 27128448467. The next prime is 27128448517. The reversal of 27128448480 is 8484482172.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98241 + ... + 252800.
It is an arithmetic number, because the mean of its divisors is an integer number (530775504).
Almost surely, 227128448480 is an apocalyptic number.
27128448480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
27128448480 is an abundant number, since it is smaller than the sum of its proper divisors (74780448288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27128448480 is a wasteful number, since it uses less digits than its factorization.
27128448480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 351089 (or 351081 counting only the distinct ones).
The product of its (nonzero) digits is 917504, while the sum is 48.
The spelling of 27128448480 in words is "twenty-seven billion, one hundred twenty-eight million, four hundred forty-eight thousand, four hundred eighty".
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