Base | Representation |
---|---|
bin | 10010111101100… |
… | …011010001000100 |
3 | 211011121102122000 |
4 | 102331203101010 |
5 | 1122420000444 |
6 | 51322305300 |
7 | 10612006332 |
oct | 2275432104 |
9 | 734542560 |
10 | 318125124 |
11 | 153634129 |
12 | 8a658230 |
13 | 50ba5a25 |
14 | 30370b52 |
15 | 1cdde469 |
hex | 12f63444 |
318125124 has 48 divisors (see below), whose sum is σ = 832507200. Its totient is φ = 105046848.
The previous prime is 318125123. The next prime is 318125141. The reversal of 318125124 is 421521813.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (318125123) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 2209 + ... + 25320.
It is an arithmetic number, because the mean of its divisors is an integer number (17343900).
Almost surely, 2318125124 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 318125124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (416253600).
318125124 is an abundant number, since it is smaller than the sum of its proper divisors (514382076).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
318125124 is a wasteful number, since it uses less digits than its factorization.
318125124 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27649 (or 27641 counting only the distinct ones).
The product of its digits is 1920, while the sum is 27.
The square root of 318125124 is about 17836.0624578409. The cubic root of 318125124 is about 682.6519309148.
Adding to 318125124 its reverse (421521813), we get a palindrome (739646937).
The spelling of 318125124 in words is "three hundred eighteen million, one hundred twenty-five thousand, one hundred twenty-four".
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