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12311106 = 232051851
BaseRepresentation
bin101110111101…
…101001000010
3212011110122220
4232331221002
511122423411
61115511510
7206433303
oct56755102
925143586
1012311106
116a49575
124158596
1327207a2
1418c67aa
151132b06
hexbbda42

12311106 has 8 divisors (see below), whose sum is σ = 24622224. Its totient is φ = 4103700.

The previous prime is 12311093. The next prime is 12311113. The reversal of 12311106 is 60111321.

It is a sphenic number, since it is the product of 3 distinct primes.

12311106 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1025920 + ... + 1025931.

It is an arithmetic number, because the mean of its divisors is an integer number (3077778).

Almost surely, 212311106 is an apocalyptic number.

12311106 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12311106 is a wasteful number, since it uses less digits than its factorization.

12311106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051856.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 12311106 is about 3508.7185695065. The cubic root of 12311106 is about 230.9044787874.

Adding to 12311106 its reverse (60111321), we get a palindrome (72422427).

The spelling of 12311106 in words is "twelve million, three hundred eleven thousand, one hundred six".

Divisors: 1 2 3 6 2051851 4103702 6155553 12311106