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5130443221 = 16603309007
BaseRepresentation
bin1001100011100110…
…00101100111010101
3111020112211112000121
410301303011213111
541001343140341
62205031111541
7241065022261
oct46163054725
914215745017
105130443221
1121a3001a22
12bb22125b1
13639ba1027
143695390a1
152006214d1
hex131cc59d5

5130443221 has 4 divisors (see below), whose sum is σ = 5130768832. Its totient is φ = 5130117612.

The previous prime is 5130443161. The next prime is 5130443237. The reversal of 5130443221 is 1223440315.

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 5130443221 - 217 = 5130312149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5130443261) 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 3 ways as a sum of consecutive naturals, for example, 137901 + ... + 171106.

It is an arithmetic number, because the mean of its divisors is an integer number (1282692208).

Almost surely, 25130443221 is an apocalyptic number.

It is an amenable number.

5130443221 is a deficient number, since it is larger than the sum of its proper divisors (325611).

5130443221 is a wasteful number, since it uses less digits than its factorization.

5130443221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325610.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 5130443221 is about 71627.1123318538. The cubic root of 5130443221 is about 1724.7187914911.

Adding to 5130443221 its reverse (1223440315), we get a palindrome (6353883536).

The spelling of 5130443221 in words is "five billion, one hundred thirty million, four hundred forty-three thousand, two hundred twenty-one".

Divisors: 1 16603 309007 5130443221