Base | Representation |
---|---|
bin | 111011110111101010… |
… | …0000010001110111110 |
3 | 110021212012100212112210 |
4 | 1313233110002032332 |
5 | 4101302134330423 |
6 | 135021441041250 |
7 | 12201026651325 |
oct | 1675724021676 |
9 | 407765325483 |
10 | 128569058238 |
11 | 4a586977435 |
12 | 20b01626226 |
13 | c17c5b152a |
14 | 63194210bc |
15 | 352740ab93 |
hex | 1def5023be |
128569058238 has 8 divisors (see below), whose sum is σ = 257138116488. Its totient is φ = 42856352744.
The previous prime is 128569058221. The next prime is 128569058291. The reversal of 128569058238 is 832850965821.
It is a sphenic number, since it is the product of 3 distinct primes.
128569058238 is an admirable number.
It is a congruent 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, 10714088181 + ... + 10714088192.
It is an arithmetic number, because the mean of its divisors is an integer number (32142264561).
Almost surely, 2128569058238 is an apocalyptic number.
128569058238 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.
128569058238 is a wasteful number, since it uses less digits than its factorization.
128569058238 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21428176378.
The product of its (nonzero) digits is 8294400, while the sum is 57.
The spelling of 128569058238 in words is "one hundred twenty-eight billion, five hundred sixty-nine million, fifty-eight thousand, two hundred thirty-eight".
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