Base | Representation |
---|---|
bin | 1001100101000000100… |
… | …0011001001100011000 |
3 | 120201201222202100211211 |
4 | 2121100020121030120 |
5 | 10144001100303442 |
6 | 203332240432504 |
7 | 14613531365620 |
oct | 2312010311430 |
9 | 521658670754 |
10 | 164553134872 |
11 | 63871a55845 |
12 | 27a84618734 |
13 | 12695658679 |
14 | 7d704d1880 |
15 | 4431574617 |
hex | 2650219318 |
164553134872 has 16 divisors (see below), whose sum is σ = 352613860560. Its totient is φ = 70522772064.
The previous prime is 164553134861. The next prime is 164553134903. The reversal of 164553134872 is 278431355461.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1469224363 + ... + 1469224474.
It is an arithmetic number, because the mean of its divisors is an integer number (22038366285).
Almost surely, 2164553134872 is an apocalyptic number.
It is an amenable number.
164553134872 is an abundant number, since it is smaller than the sum of its proper divisors (188060725688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
164553134872 is a wasteful number, since it uses less digits than its factorization.
164553134872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2938448850 (or 2938448846 counting only the distinct ones).
The product of its digits is 2419200, while the sum is 49.
The spelling of 164553134872 in words is "one hundred sixty-four billion, five hundred fifty-three million, one hundred thirty-four thousand, eight hundred seventy-two".
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