Search a number
-
+
220112913 = 3159745943
BaseRepresentation
bin11010001111010…
…10100000010001
3120100011220011010
431013222200101
5422322103123
633501441133
75311633416
oct1507524021
9510156133
10220112913
111032800a9
12618701a9
13367a9c37
142133a10d
15144cd993
hexd1ea811

220112913 has 8 divisors (see below), whose sum is σ = 293674048. Its totient is φ = 146646864.

The previous prime is 220112911. The next prime is 220112933. The reversal of 220112913 is 319211022.

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

It is not a de Polignac number, because 220112913 - 21 = 220112911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220112913.

It is not an unprimeable number, because it can be changed into a prime (220112911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18181 + ... + 27762.

It is an arithmetic number, because the mean of its divisors is an integer number (36709256).

Almost surely, 2220112913 is an apocalyptic number.

It is an amenable number.

220112913 is a deficient number, since it is larger than the sum of its proper divisors (73561135).

220112913 is a wasteful number, since it uses less digits than its factorization.

220112913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47543.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 220112913 is about 14836.2027823834. The cubic root of 220112913 is about 603.7843339570.

Adding to 220112913 its reverse (319211022), we get a palindrome (539323935).

The spelling of 220112913 in words is "two hundred twenty million, one hundred twelve thousand, nine hundred thirteen".

Divisors: 1 3 1597 4791 45943 137829 73370971 220112913