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231112042 = 27176115919
BaseRepresentation
bin11011100011001…
…11110101101010
3121002212201010021
431301213311222
5433131041132
634533311054
75504264020
oct1561476552
9532781107
10231112042
11109502997
126549548a
1338b5b4b5
14229a0710
1515452997
hexdc67d6a

231112042 has 32 divisors (see below), whose sum is σ = 426401280. Its totient is φ = 91687680.

The previous prime is 231112031. The next prime is 231112069. The reversal of 231112042 is 240211132.

231112042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6559 + ... + 22477.

It is an arithmetic number, because the mean of its divisors is an integer number (13325040).

Almost surely, 2231112042 is an apocalyptic number.

231112042 is a deficient number, since it is larger than the sum of its proper divisors (195289238).

231112042 is a wasteful number, since it uses less digits than its factorization.

231112042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16006.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 231112042 is about 15202.3696179247. The cubic root of 231112042 is about 613.6784294408.

Adding to 231112042 its reverse (240211132), we get a palindrome (471323174).

The spelling of 231112042 in words is "two hundred thirty-one million, one hundred twelve thousand, forty-two".

Divisors: 1 2 7 14 17 34 61 119 122 238 427 854 1037 2074 7259 14518 15919 31838 111433 222866 270623 541246 971059 1894361 1942118 3788722 6797413 13594826 16508003 33016006 115556021 231112042