Base | Representation |
---|---|
bin | 111100000011010101… |
… | …0001001001110010101 |
3 | 110022212111100212012112 |
4 | 1320012222021032111 |
5 | 4103102421330010 |
6 | 135124352000405 |
7 | 12213524055452 |
oct | 1700652111625 |
9 | 408774325175 |
10 | 128960730005 |
11 | 4a767a74208 |
12 | 20bb0830105 |
13 | c212798183 |
14 | 6355458829 |
15 | 354b9c6a05 |
hex | 1e06a89395 |
128960730005 has 16 divisors (see below), whose sum is σ = 158954975424. Its totient is φ = 100404289920.
The previous prime is 128960729959. The next prime is 128960730037. The reversal of 128960730005 is 500037069821.
It is not a de Polignac number, because 128960730005 - 218 = 128960467861 is a prime.
It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 2291216 + ... + 2346825.
It is an arithmetic number, because the mean of its divisors is an integer number (9934685964).
Almost surely, 2128960730005 is an apocalyptic number.
It is an amenable number.
128960730005 is a deficient number, since it is larger than the sum of its proper divisors (29994245419).
128960730005 is an equidigital number, since it uses as much as digits as its factorization.
128960730005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4638196.
The product of its (nonzero) digits is 90720, while the sum is 41.
Adding to 128960730005 its reverse (500037069821), we get a palindrome (628997799826).
The spelling of 128960730005 in words is "one hundred twenty-eight billion, nine hundred sixty million, seven hundred thirty thousand, five".
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