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2215104133 = 11201373103
BaseRepresentation
bin1000010000000111…
…1100111010000101
312201101002221121211
42010001330322011
514014031313013
61003445211421
7105615034354
oct20401747205
95641087554
102215104133
11a37406580
12519a00b71
13293bbc508
1417028d99b
15ce70223d
hex8407ce85

2215104133 has 4 divisors (see below), whose sum is σ = 2416477248. Its totient is φ = 2013731020.

The previous prime is 2215104061. The next prime is 2215104137. The reversal of 2215104133 is 3314015122.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2k-2215104133 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215104137) by changing a digit.

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, 100686541 + ... + 100686562.

It is an arithmetic number, because the mean of its divisors is an integer number (604119312).

Almost surely, 22215104133 is an apocalyptic number.

It is an amenable number.

2215104133 is a deficient number, since it is larger than the sum of its proper divisors (201373115).

2215104133 is a wasteful number, since it uses less digits than its factorization.

2215104133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201373114.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2215104133 is about 47064.8927864496. The cubic root of 2215104133 is about 1303.5610712133.

Adding to 2215104133 its reverse (3314015122), we get a palindrome (5529119255).

The spelling of 2215104133 in words is "two billion, two hundred fifteen million, one hundred four thousand, one hundred thirty-three".

Divisors: 1 11 201373103 2215104133