Base | Representation |
---|---|
bin | 1111010010011… |
… | …10010011100110 |
3 | 22221022121211102 |
4 | 13221032103212 |
5 | 230312401024 |
6 | 20420440102 |
7 | 3115040000 |
oct | 751162346 |
9 | 287277742 |
10 | 128247014 |
11 | 66434975 |
12 | 36b49032 |
13 | 2075390c |
14 | 13065370 |
15 | b3d41ae |
hex | 7a4e4e6 |
128247014 has 40 divisors (see below), whose sum is σ = 237771288. Its totient is φ = 51696960.
The previous prime is 128246959. The next prime is 128247029. The reversal of 128247014 is 410742821.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 80849 + ... + 82419.
Almost surely, 2128247014 is an apocalyptic number.
128247014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
128247014 is a deficient number, since it is larger than the sum of its proper divisors (109524274).
128247014 is an equidigital number, since it uses as much as digits as its factorization.
128247014 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1618 (or 1597 counting only the distinct ones).
The product of its (nonzero) digits is 3584, while the sum is 29.
The square root of 128247014 is about 11324.6198170181. The cubic root of 128247014 is about 504.2923972045.
Adding to 128247014 its reverse (410742821), we get a palindrome (538989835).
The spelling of 128247014 in words is "one hundred twenty-eight million, two hundred forty-seven thousand, fourteen".
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