Base | Representation |
---|---|
bin | 11001001111101010… |
… | …010001110011111000 |
3 | 2120222002021001011122 |
4 | 121033222101303320 |
5 | 421003202134330 |
6 | 20241421444412 |
7 | 1646501431223 |
oct | 311752216370 |
9 | 76862231148 |
10 | 27106286840 |
11 | 1054a879556 |
12 | 5305a10708 |
13 | 272ca15aa9 |
14 | 1451dcc5ba |
15 | a89a7c5e5 |
hex | 64fa91cf8 |
27106286840 has 32 divisors (see below), whose sum is σ = 61025881680. Its totient is φ = 10835983872.
The previous prime is 27106286821. The next prime is 27106286843. The reversal of 27106286840 is 4868260172.
It is a junction number, because it is equal to n+sod(n) for n = 27106286791 and 27106286800.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27106286843) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136577 + ... + 269936.
Almost surely, 227106286840 is an apocalyptic number.
27106286840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
27106286840 is an abundant number, since it is smaller than the sum of its proper divisors (33919594840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27106286840 is a wasteful number, since it uses less digits than its factorization.
27106286840 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 408191 (or 408187 counting only the distinct ones).
The product of its (nonzero) digits is 258048, while the sum is 44.
The spelling of 27106286840 in words is "twenty-seven billion, one hundred six million, two hundred eighty-six thousand, eight hundred forty".
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