Base | Representation |
---|---|
bin | 1111010001000… |
… | …00001010111000 |
3 | 22220222000121101 |
4 | 13220200022320 |
5 | 230240324130 |
6 | 20412421144 |
7 | 3113322025 |
oct | 750401270 |
9 | 286860541 |
10 | 128058040 |
11 | 663159a0 |
12 | 36a777b4 |
13 | 206b88b6 |
14 | 1301654c |
15 | b3981ca |
hex | 7a202b8 |
128058040 has 32 divisors (see below), whose sum is σ = 314325360. Its totient is φ = 46566400.
The previous prime is 128058031. The next prime is 128058061. The reversal of 128058040 is 40850821.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145081 + ... + 145960.
Almost surely, 2128058040 is an apocalyptic number.
128058040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
128058040 is an abundant number, since it is smaller than the sum of its proper divisors (186267320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
128058040 is a wasteful number, since it uses less digits than its factorization.
128058040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 291063 (or 291059 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 28.
The square root of 128058040 is about 11316.2732381292. The cubic root of 128058040 is about 504.0445811745.
The spelling of 128058040 in words is "one hundred twenty-eight million, fifty-eight thousand, forty".
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