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12311050 = 2521912959
BaseRepresentation
bin101110111101…
…101000001010
3212011110120211
4232331220022
511122423200
61115511334
7206433163
oct56755012
925143524
1012311050
116a49524
12415854a
13272075b
1418c676a
151132aba
hexbbda0a

12311050 has 24 divisors (see below), whose sum is σ = 24105600. Its totient is φ = 4664880.

The previous prime is 12311027. The next prime is 12311053. The reversal of 12311050 is 5011321.

It is a self number, because there is not a number n which added to its sum of digits gives 12311050.

It is not an unprimeable number, because it can be changed into a prime (12311053) 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 11 ways as a sum of consecutive naturals, for example, 5530 + ... + 7429.

It is an arithmetic number, because the mean of its divisors is an integer number (1004400).

Almost surely, 212311050 is an apocalyptic number.

12311050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12311050 is a deficient number, since it is larger than the sum of its proper divisors (11794550).

12311050 is a wasteful number, since it uses less digits than its factorization.

12311050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12990 (or 12985 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 12311050 is about 3508.7105893761. The cubic root of 12311050 is about 230.9041286789.

Adding to 12311050 its reverse (5011321), we get a palindrome (17322371).

The spelling of 12311050 in words is "twelve million, three hundred eleven thousand, fifty".

Divisors: 1 2 5 10 19 25 38 50 95 190 475 950 12959 25918 64795 129590 246221 323975 492442 647950 1231105 2462210 6155525 12311050