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5031445321 = 7718777903
BaseRepresentation
bin1001010111110010…
…11100001101001001
3110222122112220102201
410223321130031021
540301022222241
62151133200201
7235453402540
oct45371341511
913878486381
105031445321
112152135381
12b85030061
1362251b6a6
1435a329157
151e6ab8931
hex12be5c349

5031445321 has 4 divisors (see below), whose sum is σ = 5750223232. Its totient is φ = 4312667412.

The previous prime is 5031445313. The next prime is 5031445337. The reversal of 5031445321 is 1235441305.

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 5031445321 - 23 = 5031445313 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 5031445321.

It is not an unprimeable number, because it can be changed into a prime (5031445301) 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, 359388945 + ... + 359388958.

It is an arithmetic number, because the mean of its divisors is an integer number (1437555808).

Almost surely, 25031445321 is an apocalyptic number.

It is an amenable number.

5031445321 is a deficient number, since it is larger than the sum of its proper divisors (718777911).

5031445321 is an equidigital number, since it uses as much as digits as its factorization.

5031445321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718777910.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 5031445321 is about 70932.6816143306. The cubic root of 5031445321 is about 1713.5531741564.

Adding to 5031445321 its reverse (1235441305), we get a palindrome (6266886626).

The spelling of 5031445321 in words is "five billion, thirty-one million, four hundred forty-five thousand, three hundred twenty-one".

Divisors: 1 7 718777903 5031445321