Base | Representation |
---|---|
bin | 10010110101111… |
… | …100011101101100 |
3 | 211000212010110020 |
4 | 102311330131230 |
5 | 1121412144210 |
6 | 51211442140 |
7 | 10556033151 |
oct | 2265743554 |
9 | 730763406 |
10 | 316131180 |
11 | 1524a2042 |
12 | 89a56350 |
13 | 50658291 |
14 | 2ddb2228 |
15 | 1cb48770 |
hex | 12d7c76c |
316131180 has 96 divisors (see below), whose sum is σ = 918220800. Its totient is φ = 81181440.
The previous prime is 316131119. The next prime is 316131203. The reversal of 316131180 is 81131613.
It is a self number, because there is not a number n which added to its sum of digits gives 316131180.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 648897 + ... + 649383.
It is an arithmetic number, because the mean of its divisors is an integer number (9564800).
Almost surely, 2316131180 is an apocalyptic number.
316131180 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 316131180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459110400).
316131180 is an abundant number, since it is smaller than the sum of its proper divisors (602089620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
316131180 is a wasteful number, since it uses less digits than its factorization.
316131180 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 879 (or 877 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 24.
The square root of 316131180 is about 17780.0781775559. The cubic root of 316131180 is about 681.2226992398. Note that the first 3 decimals are identical.
Adding to 316131180 its reverse (81131613), we get a palindrome (397262793).
The spelling of 316131180 in words is "three hundred sixteen million, one hundred thirty-one thousand, one hundred eighty".
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