Search a number
-
+
111112012205 = 569427320083
BaseRepresentation
bin110011101111011001…
…0101100000110101101
3101121210120212001100022
41213132302230012231
53310024133342310
6123013312011525
711012313343355
oct1473662540655
9347716761308
10111112012205
114313891a367
121964b230ba5
13a6299c52ac
145540b6bb65
152d54a52a55
hex19decac1ad

111112012205 has 8 divisors (see below), whose sum is σ = 133336751712. Its totient is φ = 88888051728.

The previous prime is 111112012199. The next prime is 111112012261. The reversal of 111112012205 is 502210211111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-111112012205 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187094 + ... + 507176.

It is an arithmetic number, because the mean of its divisors is an integer number (16667093964).

Almost surely, 2111112012205 is an apocalyptic number.

It is an amenable number.

111112012205 is a deficient number, since it is larger than the sum of its proper divisors (22224739507).

111112012205 is an equidigital number, since it uses as much as digits as its factorization.

111112012205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389515.

The product of its (nonzero) digits is 40, while the sum is 17.

Adding to 111112012205 its reverse (502210211111), we get a palindrome (613322223316).

The spelling of 111112012205 in words is "one hundred eleven billion, one hundred twelve million, twelve thousand, two hundred five".

Divisors: 1 5 69427 320083 347135 1600415 22222402441 111112012205