Base | Representation |
---|---|
bin | 1111010000111… |
… | …10010111000110 |
3 | 22220221122102221 |
4 | 13220132113012 |
5 | 230240110010 |
6 | 20412322554 |
7 | 3113261311 |
oct | 750362706 |
9 | 286848387 |
10 | 128050630 |
11 | 66310374 |
12 | 36a7345a |
13 | 206b5406 |
14 | 13013978 |
15 | b395dda |
hex | 7a1e5c6 |
128050630 has 48 divisors (see below), whose sum is σ = 249912864. Its totient is φ = 47066880.
The previous prime is 128050609. The next prime is 128050661. The reversal of 128050630 is 36050821.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 128050595 and 128050604.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1243159 + ... + 1243261.
It is an arithmetic number, because the mean of its divisors is an integer number (5206518).
Almost surely, 2128050630 is an apocalyptic number.
128050630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
128050630 is a deficient number, since it is larger than the sum of its proper divisors (121862234).
128050630 is a wasteful number, since it uses less digits than its factorization.
128050630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 301 (or 198 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 25.
The square root of 128050630 is about 11315.9458287851. The cubic root of 128050630 is about 504.0348589100.
The spelling of 128050630 in words is "one hundred twenty-eight million, fifty thousand, six hundred thirty".
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