Base | Representation |
---|---|
bin | 10011100100010… |
… | …00110010000110 |
3 | 102102212002011120 |
4 | 21302020302012 |
5 | 314004404433 |
6 | 24142014410 |
7 | 4032102534 |
oct | 1162106206 |
9 | 372762146 |
10 | 164138118 |
11 | 84719441 |
12 | 46b77406 |
13 | 2800c161 |
14 | 17b29154 |
15 | e6237b3 |
hex | 9c88c86 |
164138118 has 32 divisors (see below), whose sum is σ = 344632320. Its totient is φ = 52046880.
The previous prime is 164138113. The next prime is 164138119. The reversal of 164138118 is 811831461.
It is a happy number.
164138118 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (164138113) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3496 + ... + 18452.
It is an arithmetic number, because the mean of its divisors is an integer number (10769760).
Almost surely, 2164138118 is an apocalyptic number.
164138118 is an abundant number, since it is smaller than the sum of its proper divisors (180494202).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
164138118 is a wasteful number, since it uses less digits than its factorization.
164138118 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15052.
The product of its digits is 4608, while the sum is 33.
The square root of 164138118 is about 12811.6399418654. The cubic root of 164138118 is about 547.5239863556.
Adding to 164138118 its reverse (811831461), we get a palindrome (975969579).
It can be divided in two parts, 16413 and 8118, that added together give a triangular number (24531 = T221).
The spelling of 164138118 in words is "one hundred sixty-four million, one hundred thirty-eight thousand, one hundred eighteen".
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