Base | Representation |
---|---|
bin | 10010110111011100… |
… | …10000110000101011 |
3 | 222010220002202202200 |
4 | 21123232100300223 |
5 | 131220432213043 |
6 | 4353023031243 |
7 | 506000165460 |
oct | 113356206053 |
9 | 28126082680 |
10 | 10128788523 |
11 | 4328489807 |
12 | 1b6813b523 |
13 | c555a06b9 |
14 | 6c12c9667 |
15 | 3e434c7d3 |
hex | 25bb90c2b |
10128788523 has 24 divisors (see below), whose sum is σ = 16723669248. Its totient is φ = 5786795952.
The previous prime is 10128788491. The next prime is 10128788539. The reversal of 10128788523 is 32588782101.
10128788523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 10128788523 - 25 = 10128788491 is a prime.
It is not an unprimeable number, because it can be changed into a prime (10128788123) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 426090 + ... + 449232.
It is an arithmetic number, because the mean of its divisors is an integer number (696819552).
Almost surely, 210128788523 is an apocalyptic number.
10128788523 is a deficient number, since it is larger than the sum of its proper divisors (6594880725).
10128788523 is a wasteful number, since it uses less digits than its factorization.
10128788523 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30103 (or 30100 counting only the distinct ones).
The product of its (nonzero) digits is 215040, while the sum is 45.
The spelling of 10128788523 in words is "ten billion, one hundred twenty-eight million, seven hundred eighty-eight thousand, five hundred twenty-three".
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