Base | Representation |
---|---|
bin | 11101111011110011111… |
… | …01100010000011001001 |
3 | 10122022211221210012111012 |
4 | 32331321331202003021 |
5 | 113322424044412004 |
6 | 2104301205413305 |
7 | 134211156166451 |
oct | 16757175420311 |
9 | 3568757705435 |
10 | 1028543357129 |
11 | 367225a02642 |
12 | 14740910a235 |
13 | 75cb693c282 |
14 | 37ad3236d61 |
15 | 1bb4c55c46e |
hex | ef79f620c9 |
1028543357129 has 8 divisors (see below), whose sum is σ = 1029225484800. Its totient is φ = 1027861422336.
The previous prime is 1028543357071. The next prime is 1028543357159. The reversal of 1028543357129 is 9217533458201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1028543357129 - 232 = 1024248389833 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1028543357159) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11525609 + ... + 11614505.
It is an arithmetic number, because the mean of its divisors is an integer number (128653185600).
Almost surely, 21028543357129 is an apocalyptic number.
It is an amenable number.
1028543357129 is a deficient number, since it is larger than the sum of its proper divisors (682127671).
1028543357129 is an equidigital number, since it uses as much as digits as its factorization.
1028543357129 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 96439.
The product of its (nonzero) digits is 1814400, while the sum is 50.
The spelling of 1028543357129 in words is "one trillion, twenty-eight billion, five hundred forty-three million, three hundred fifty-seven thousand, one hundred twenty-nine".
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