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2111442213 = 35563126517
BaseRepresentation
bin111110111011010…
…0000110100100101
312110011001101012110
41331312200310211
513311012122323
6545303311233
7103215651126
oct17566406445
95404041173
102111442213
11993943871
124ab14b519
13278595cba
141605c804d
15c5577793
hex7dda0d25

2111442213 has 8 divisors (see below), whose sum is σ = 2815784608. Its totient is φ = 1407363984.

The previous prime is 2111442199. The next prime is 2111442239. The reversal of 2111442213 is 3122441112.

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

It is not a de Polignac number, because 2111442213 - 25 = 2111442181 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 2111442213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111442253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46570 + ... + 79947.

It is an arithmetic number, because the mean of its divisors is an integer number (351973076).

Almost surely, 22111442213 is an apocalyptic number.

It is an amenable number.

2111442213 is a deficient number, since it is larger than the sum of its proper divisors (704342395).

2111442213 is a wasteful number, since it uses less digits than its factorization.

2111442213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132083.

The product of its digits is 384, while the sum is 21.

The square root of 2111442213 is about 45950.4321307210. The cubic root of 2111442213 is about 1282.9007724984.

Adding to 2111442213 its reverse (3122441112), we get a palindrome (5233883325).

The spelling of 2111442213 in words is "two billion, one hundred eleven million, four hundred forty-two thousand, two hundred thirteen".

Divisors: 1 3 5563 16689 126517 379551 703814071 2111442213