Search a number
-
+
111230012 = 2247591649
BaseRepresentation
bin1101010000100…
…11110000111100
321202022001220002
412220103300330
5211433330022
615012013432
72520303515
oct650236074
9252261802
10111230012
1157871833
1231301278
131a07619a
1410ab5a0c
159b72092
hex6a13c3c

111230012 has 12 divisors (see below), whose sum is σ = 198794400. Its totient is φ = 54431616.

The previous prime is 111230011. The next prime is 111230033. The reversal of 111230012 is 210032111.

It is a junction number, because it is equal to n+sod(n) for n = 111229975 and 111230002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111230011) 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 3 ways as a sum of consecutive naturals, for example, 295637 + ... + 296012.

It is an arithmetic number, because the mean of its divisors is an integer number (16566200).

Almost surely, 2111230012 is an apocalyptic number.

It is an amenable number.

111230012 is a deficient number, since it is larger than the sum of its proper divisors (87564388).

111230012 is a wasteful number, since it uses less digits than its factorization.

111230012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591700 (or 591698 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 111230012 is about 10546.5639902292. The cubic root of 111230012 is about 480.9212803923.

Adding to 111230012 its reverse (210032111), we get a palindrome (321262123).

The spelling of 111230012 in words is "one hundred eleven million, two hundred thirty thousand, twelve".

Divisors: 1 2 4 47 94 188 591649 1183298 2366596 27807503 55615006 111230012