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316118012 = 22722297043
BaseRepresentation
bin10010110101111…
…001001111111100
3211000211110101112
4102311321033330
51121411234022
651211301152
710555646600
oct2265711774
9730743345
10316118012
11152493161
1289a4a7b8
13506522a2
142ddab500
151cb448e2
hex12d793fc

316118012 has 36 divisors (see below), whose sum is σ = 646427880. Its totient is φ = 134868384.

The previous prime is 316117987. The next prime is 316118017. The reversal of 316118012 is 210811613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316118017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41363 + ... + 48405.

It is an arithmetic number, because the mean of its divisors is an integer number (17956330).

Almost surely, 2316118012 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 316118012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323213940).

316118012 is an abundant number, since it is smaller than the sum of its proper divisors (330309868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

316118012 is a wasteful number, since it uses less digits than its factorization.

316118012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7290 (or 7281 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 316118012 is about 17779.7078716159. The cubic root of 316118012 is about 681.2132406504.

Adding to 316118012 its reverse (210811613), we get a palindrome (526929625).

The spelling of 316118012 in words is "three hundred sixteen million, one hundred eighteen thousand, twelve".

Divisors: 1 2 4 7 14 28 49 98 196 229 458 916 1603 3206 6412 7043 11221 14086 22442 28172 44884 49301 98602 197204 345107 690214 1380428 1612847 3225694 6451388 11289929 22579858 45159716 79029503 158059006 316118012