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220111313 = 1991106087
BaseRepresentation
bin11010001111010…
…10000111010001
3120100011210221212
431013222013101
5422322030223
633501425505
75311625642
oct1507520721
9510153855
10220111313
11103279984
126186b295
13367a92a6
14213396c9
15144cd278
hexd1ea1d1

220111313 has 4 divisors (see below), whose sum is σ = 221217600. Its totient is φ = 219005028.

The previous prime is 220111277. The next prime is 220111319. The reversal of 220111313 is 313111022.

220111313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220111313 - 28 = 220111057 is a prime.

It is a super-2 number, since 2×2201113132 = 96897980221167938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220111319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552845 + ... + 553242.

It is an arithmetic number, because the mean of its divisors is an integer number (55304400).

Almost surely, 2220111313 is an apocalyptic number.

It is an amenable number.

220111313 is a deficient number, since it is larger than the sum of its proper divisors (1106287).

220111313 is a wasteful number, since it uses less digits than its factorization.

220111313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106286.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 220111313 is about 14836.1488601321. The cubic root of 220111313 is about 603.7828709847.

Adding to 220111313 its reverse (313111022), we get a palindrome (533222335).

The spelling of 220111313 in words is "two hundred twenty million, one hundred eleven thousand, three hundred thirteen".

Divisors: 1 199 1106087 220111313