Base | Representation |
---|---|
bin | 1111010000100… |
… | …10110100101000 |
3 | 22220212020121111 |
4 | 13220102310220 |
5 | 230232101433 |
6 | 20411320104 |
7 | 3113003443 |
oct | 750226450 |
9 | 286766544 |
10 | 128003368 |
11 | 66288909 |
12 | 36a50034 |
13 | 20699a4c |
14 | 1300065a |
15 | b386dcd |
hex | 7a12d28 |
128003368 has 16 divisors (see below), whose sum is σ = 240864660. Its totient is φ = 63772800.
The previous prime is 128003363. The next prime is 128003413. The reversal of 128003368 is 863300821.
It can be written as a sum of positive squares in 2 ways, for example, as 126832644 + 1170724 = 11262^2 + 1082^2 .
It is not an unprimeable number, because it can be changed into a prime (128003363) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26223 + ... + 30718.
Almost surely, 2128003368 is an apocalyptic number.
It is an amenable number.
128003368 is a deficient number, since it is larger than the sum of its proper divisors (112861292).
128003368 is a wasteful number, since it uses less digits than its factorization.
128003368 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57228 (or 57224 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 31.
The square root of 128003368 is about 11313.8573439831. The cubic root of 128003368 is about 503.9728401422.
The spelling of 128003368 in words is "one hundred twenty-eight million, three thousand, three hundred sixty-eight".
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