Base | Representation |
---|---|
bin | 111011101001001010… |
… | …1011111101011010101 |
3 | 110020121022120120011201 |
4 | 1313102111133223111 |
5 | 4044303210323332 |
6 | 134501313032501 |
7 | 12153004462351 |
oct | 1672225375325 |
9 | 406538516151 |
10 | 128082901717 |
11 | 4a357505891 |
12 | 209a6855731 |
13 | c102965554 |
14 | 62b0a30461 |
15 | 34e98c95e7 |
hex | 1dd255fad5 |
128082901717 has 16 divisors (see below), whose sum is σ = 132906622464. Its totient is φ = 123304104000.
The previous prime is 128082901673. The next prime is 128082901759. The reversal of 128082901717 is 717109280821.
It is a cyclic number.
It is not a de Polignac number, because 128082901717 - 211 = 128082899669 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (128082908717) 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 15 ways as a sum of consecutive naturals, for example, 4716783 + ... + 4743859.
It is an arithmetic number, because the mean of its divisors is an integer number (8306663904).
Almost surely, 2128082901717 is an apocalyptic number.
It is an amenable number.
128082901717 is a deficient number, since it is larger than the sum of its proper divisors (4823720747).
128082901717 is a wasteful number, since it uses less digits than its factorization.
128082901717 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27900.
The product of its (nonzero) digits is 112896, while the sum is 46.
The spelling of 128082901717 in words is "one hundred twenty-eight billion, eighty-two million, nine hundred one thousand, seven hundred seventeen".
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