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2211323113 = 19116385427
BaseRepresentation
bin1000001111001110…
…0001110011101001
312201002222212001001
42003303201303221
514012044314423
61003232155001
7105540636106
oct20363416351
95632885031
102211323113
11a3526386a
12518698a61
1329319751c
1416d987aad
15ce206cad
hex83ce1ce9

2211323113 has 4 divisors (see below), whose sum is σ = 2327708560. Its totient is φ = 2094937668.

The previous prime is 2211323089. The next prime is 2211323143. The reversal of 2211323113 is 3113231122.

2211323113 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, and also an emirpimes, since its reverse is a distinct semiprime: 3113231122 = 21556615561.

It is a cyclic number.

It is not a de Polignac number, because 2211323113 - 217 = 2211192041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 116385427 = 2211323113 / (2 + 2 + 1 + 1 + 3 + 2 + 3 + 1 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211323143) 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, 58192695 + ... + 58192732.

It is an arithmetic number, because the mean of its divisors is an integer number (581927140).

Almost surely, 22211323113 is an apocalyptic number.

It is an amenable number.

2211323113 is a deficient number, since it is larger than the sum of its proper divisors (116385447).

2211323113 is a wasteful number, since it uses less digits than its factorization.

2211323113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116385446.

The product of its digits is 216, while the sum is 19.

The square root of 2211323113 is about 47024.7074738376. The cubic root of 2211323113 is about 1302.8189544836.

Adding to 2211323113 its reverse (3113231122), we get a palindrome (5324554235).

The spelling of 2211323113 in words is "two billion, two hundred eleven million, three hundred twenty-three thousand, one hundred thirteen".

Divisors: 1 19 116385427 2211323113