Base | Representation |
---|---|
bin | 1111010001010… |
… | …11010010110110 |
3 | 22221001100010000 |
4 | 13220223102312 |
5 | 230243303411 |
6 | 20413412130 |
7 | 3113601621 |
oct | 750532266 |
9 | 287040100 |
10 | 128103606 |
11 | 66347154 |
12 | 36a9a046 |
13 | 20703567 |
14 | 13028db8 |
15 | b3a6956 |
hex | 7a2b4b6 |
128103606 has 40 divisors (see below), whose sum is σ = 299535984. Its totient is φ = 40843440.
The previous prime is 128103601. The next prime is 128103607. The reversal of 128103606 is 606301821.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a self number, because there is not a number n which added to its sum of digits gives 128103606.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (128103601) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13465 + ... + 20916.
Almost surely, 2128103606 is an apocalyptic number.
128103606 is an abundant number, since it is smaller than the sum of its proper divisors (171432378).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
128103606 is a wasteful number, since it uses less digits than its factorization.
128103606 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34418 (or 34409 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The square root of 128103606 is about 11318.2863543913. The cubic root of 128103606 is about 504.1043576420.
The spelling of 128103606 in words is "one hundred twenty-eight million, one hundred three thousand, six hundred six".
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