Base | Representation |
---|---|
bin | 110101010010… |
… | …001100000000 |
3 | 222021122200002 |
4 | 311102030000 |
5 | 12033440003 |
6 | 1215215132 |
7 | 226504256 |
oct | 65221400 |
9 | 28248602 |
10 | 13968128 |
11 | 7980509 |
12 | 48174a8 |
13 | 2b80a85 |
14 | 1bd85d6 |
15 | 135da88 |
hex | d52300 |
13968128 has 18 divisors (see below), whose sum is σ = 27882204. Its totient is φ = 6983936.
The previous prime is 13968127. The next prime is 13968131. The reversal of 13968128 is 82186931.
It is a junction number, because it is equal to n+sod(n) for n = 13968091 and 13968100.
It is not an unprimeable number, because it can be changed into a prime (13968127) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27026 + ... + 27537.
Almost surely, 213968128 is an apocalyptic number.
It is an amenable number.
13968128 is a deficient number, since it is larger than the sum of its proper divisors (13914076).
13968128 is an frugal number, since it uses more digits than its factorization.
13968128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54579 (or 54565 counting only the distinct ones).
The product of its digits is 20736, while the sum is 38.
The square root of 13968128 is about 3737.3958848375. The cubic root of 13968128 is about 240.8311920830.
The spelling of 13968128 in words is "thirteen million, nine hundred sixty-eight thousand, one hundred twenty-eight".
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