Base | Representation |
---|---|
bin | 1111010111000… |
… | …01110010011010 |
3 | 22222110022110220 |
4 | 13223201302122 |
5 | 230441213343 |
6 | 20441420510 |
7 | 3123134115 |
oct | 753416232 |
9 | 288408426 |
10 | 128851098 |
11 | 66807812 |
12 | 3719a736 |
13 | 2090586c |
14 | 1318157c |
15 | b4a3183 |
hex | 7ae1c9a |
128851098 has 8 divisors (see below), whose sum is σ = 257702208. Its totient is φ = 42950364.
The previous prime is 128851087. The next prime is 128851123. The reversal of 128851098 is 890158821.
It is a sphenic number, since it is the product of 3 distinct primes.
128851098 is an admirable number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10737586 + ... + 10737597.
It is an arithmetic number, because the mean of its divisors is an integer number (32212776).
Almost surely, 2128851098 is an apocalyptic number.
128851098 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
128851098 is a wasteful number, since it uses less digits than its factorization.
128851098 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21475188.
The product of its (nonzero) digits is 46080, while the sum is 42.
The square root of 128851098 is about 11351.2597538775. The cubic root of 128851098 is about 505.0829494825.
The spelling of 128851098 in words is "one hundred twenty-eight million, eight hundred fifty-one thousand, ninety-eight".
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