Search a number
-
+
220112066 = 2138179693
BaseRepresentation
bin11010001111010…
…10010011000010
3120100011211222202
431013222103002
5422322041231
633501433202
75311631066
oct1507522302
9510154882
10220112066
1110327a4a9
126186b802
13367a9735
1421339aa6
15144cd5cb
hexd1ea4c2

220112066 has 8 divisors (see below), whose sum is σ = 330411324. Its totient is φ = 109974960.

The previous prime is 220112051. The next prime is 220112111. The reversal of 220112066 is 660211022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 197824225 + 22287841 = 14065^2 + 4721^2 .

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

It is a Curzon 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, 37085 + ... + 42608.

Almost surely, 2220112066 is an apocalyptic number.

220112066 is a deficient number, since it is larger than the sum of its proper divisors (110299258).

220112066 is a wasteful number, since it uses less digits than its factorization.

220112066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81076.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 220112066 is about 14836.1742373160. The cubic root of 220112066 is about 603.7835594969.

Adding to 220112066 its reverse (660211022), we get a palindrome (880323088).

The spelling of 220112066 in words is "two hundred twenty million, one hundred twelve thousand, sixty-six".

Divisors: 1 2 1381 2762 79693 159386 110056033 220112066