Base | Representation |
---|---|
bin | 1111010100001… |
… | …01111111001110 |
3 | 22221202012200112 |
4 | 13222011333032 |
5 | 230342200321 |
6 | 20425400022 |
7 | 3120006635 |
oct | 752057716 |
9 | 287665615 |
10 | 128475086 |
11 | 66580263 |
12 | 37039012 |
13 | 2080367c |
14 | 130c451c |
15 | b42ba5b |
hex | 7a85fce |
128475086 has 8 divisors (see below), whose sum is σ = 204048720. Its totient is φ = 60458848.
The previous prime is 128475073. The next prime is 128475091. The reversal of 128475086 is 680574821.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1889306 + ... + 1889373.
It is an arithmetic number, because the mean of its divisors is an integer number (25506090).
Almost surely, 2128475086 is an apocalyptic number.
128475086 is a deficient number, since it is larger than the sum of its proper divisors (75573634).
128475086 is a wasteful number, since it uses less digits than its factorization.
128475086 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3778698.
The product of its (nonzero) digits is 107520, while the sum is 41.
The square root of 128475086 is about 11334.6850860533. The cubic root of 128475086 is about 504.5911614386.
The spelling of 128475086 in words is "one hundred twenty-eight million, four hundred seventy-five thousand, eighty-six".
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