Base | Representation |
---|---|
bin | 111011111101010011… |
… | …0110011110100010000 |
3 | 110022100101212222222101 |
4 | 1313322212303310100 |
5 | 4102144140414141 |
6 | 135052330050144 |
7 | 12205520304145 |
oct | 1677246636420 |
9 | 408311788871 |
10 | 128758529296 |
11 | 4a673918891 |
12 | 20b54b79954 |
13 | c1ac920297 |
14 | 63366623cc |
15 | 3538d85531 |
hex | 1dfa9b3d10 |
128758529296 has 20 divisors (see below), whose sum is σ = 249475563792. Its totient is φ = 64377738656.
The previous prime is 128758529197. The next prime is 128758529371. The reversal of 128758529296 is 692925857821.
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, 943911 + ... + 1071673.
Almost surely, 2128758529296 is an apocalyptic number.
128758529296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
128758529296 is a deficient number, since it is larger than the sum of its proper divisors (120717034496).
128758529296 is a wasteful number, since it uses less digits than its factorization.
128758529296 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 190758 (or 190752 counting only the distinct ones).
The product of its digits is 43545600, while the sum is 64.
The spelling of 128758529296 in words is "one hundred twenty-eight billion, seven hundred fifty-eight million, five hundred twenty-nine thousand, two hundred ninety-six".
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