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318741012 = 22328853917
BaseRepresentation
bin10010111111111…
…001101000010100
3211012202201110200
4102333321220110
51123044203022
651343420500
710620153042
oct2277715024
9735681420
10318741012
11153a14927
128a8b4730
1351060165
1430491392
151ceb1bac
hex12ff9a14

318741012 has 18 divisors (see below), whose sum is σ = 805706538. Its totient is φ = 106246992.

The previous prime is 318740987. The next prime is 318741023. The reversal of 318741012 is 210147813.

318741012 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 182412036 + 136328976 = 13506^2 + 11676^2 .

It is a tau number, because it is divible by the number of its divisors (18).

318741012 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4426923 + ... + 4426994.

Almost surely, 2318741012 is an apocalyptic number.

It is an amenable number.

318741012 is an abundant number, since it is smaller than the sum of its proper divisors (486965526).

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

318741012 is a wasteful number, since it uses less digits than its factorization.

318741012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8853927 (or 8853922 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 318741012 is about 17853.3193552348. The cubic root of 318741012 is about 683.0921833722.

Adding to 318741012 its reverse (210147813), we get a palindrome (528888825).

The spelling of 318741012 in words is "three hundred eighteen million, seven hundred forty-one thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 8853917 17707834 26561751 35415668 53123502 79685253 106247004 159370506 318741012