Base | Representation |
---|---|
bin | 1001110101101100111… |
… | …0000010100110011100 |
3 | 121011022021112121010112 |
4 | 2131123032002212130 |
5 | 10232140214204433 |
6 | 205353032025152 |
7 | 15132552262040 |
oct | 2353316024634 |
9 | 534267477115 |
10 | 169034131868 |
11 | 657613a7148 |
12 | 289152321b8 |
13 | 12c2ab0a794 |
14 | 8277692020 |
15 | 45e4b5c348 |
hex | 275b38299c |
169034131868 has 24 divisors (see below), whose sum is σ = 341169813600. Its totient is φ = 71778581568.
The previous prime is 169034131867. The next prime is 169034131873. The reversal of 169034131868 is 868131430961.
169034131868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×1690341318683 (a number of 35 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (169034131867) 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 7 ways as a sum of consecutive naturals, for example, 27689303 + ... + 27695406.
It is an arithmetic number, because the mean of its divisors is an integer number (14215408900).
Almost surely, 2169034131868 is an apocalyptic number.
It is an amenable number.
169034131868 is an abundant number, since it is smaller than the sum of its proper divisors (172135681732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
169034131868 is a wasteful number, since it uses less digits than its factorization.
169034131868 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55384829 (or 55384827 counting only the distinct ones).
The product of its (nonzero) digits is 746496, while the sum is 50.
The spelling of 169034131868 in words is "one hundred sixty-nine billion, thirty-four million, one hundred thirty-one thousand, eight hundred sixty-eight".
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