Base | Representation |
---|---|
bin | 111100010100101100… |
… | …1110110001011100100 |
3 | 110101101010020210011222 |
4 | 1320221121312023210 |
5 | 4110301134112020 |
6 | 135302254115512 |
7 | 12234132641540 |
oct | 1705131661344 |
9 | 411333223158 |
10 | 129543660260 |
11 | 4aa37023353 |
12 | 21133aabb98 |
13 | c2a6498311 |
14 | 63aca3aa20 |
15 | 3582c71b25 |
hex | 1e296762e4 |
129543660260 has 48 divisors (see below), whose sum is σ = 311022082560. Its totient is φ = 44398212480.
The previous prime is 129543660241. The next prime is 129543660263. The reversal of 129543660260 is 62066345921.
It is not an unprimeable number, because it can be changed into a prime (129543660263) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200726 + ... + 547154.
It is an arithmetic number, because the mean of its divisors is an integer number (6479626720).
Almost surely, 2129543660260 is an apocalyptic number.
129543660260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
129543660260 is an abundant number, since it is smaller than the sum of its proper divisors (181478422300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
129543660260 is a wasteful number, since it uses less digits than its factorization.
129543660260 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 349116 (or 349114 counting only the distinct ones).
The product of its (nonzero) digits is 466560, while the sum is 44.
The spelling of 129543660260 in words is "one hundred twenty-nine billion, five hundred forty-three million, six hundred sixty thousand, two hundred sixty".
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