Base | Representation |
---|---|
bin | 1111010001010… |
… | …10000100101111 |
3 | 22221001002020212 |
4 | 13220222010233 |
5 | 230243123412 |
6 | 20413333035 |
7 | 3113551220 |
oct | 750520457 |
9 | 287032225 |
10 | 128098607 |
11 | 6634341a |
12 | 36a9717b |
13 | 207011c0 |
14 | 13027247 |
15 | b3a5222 |
hex | 7a2a12f |
128098607 has 16 divisors (see below), whose sum is σ = 158276160. Its totient is φ = 100956672.
The previous prime is 128098601. The next prime is 128098609. The reversal of 128098607 is 706890821.
It is a cyclic number.
It is not a de Polignac number, because 128098607 - 28 = 128098351 is a prime.
It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (128098601) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21863 + ... + 27095.
It is an arithmetic number, because the mean of its divisors is an integer number (9892260).
Almost surely, 2128098607 is an apocalyptic number.
128098607 is a deficient number, since it is larger than the sum of its proper divisors (30177553).
128098607 is a wasteful number, since it uses less digits than its factorization.
128098607 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5522.
The product of its (nonzero) digits is 48384, while the sum is 41.
The square root of 128098607 is about 11318.0655149191. The cubic root of 128098607 is about 504.0978003183.
The spelling of 128098607 in words is "one hundred twenty-eight million, ninety-eight thousand, six hundred seven".
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