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5748865921 = 24172378513
BaseRepresentation
bin1010101101010100…
…01011101110000001
3112211122111122111001
411112222023232001
543233202202141
62350242052001
7262314361021
oct52652135601
915748448431
105748865921
1124900a3067
12114534a001
1370804a116
143c7719a81
15239a7ca31
hex156a8bb81

5748865921 has 4 divisors (see below), whose sum is σ = 5751246852. Its totient is φ = 5746484992.

The previous prime is 5748865919. The next prime is 5748865931. The reversal of 5748865921 is 1295688475.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4862970225 + 885895696 = 69735^2 + 29764^2 .

It is a cyclic number.

It is not a de Polignac number, because 5748865921 - 21 = 5748865919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5748865931) 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, 1186840 + ... + 1191673.

It is an arithmetic number, because the mean of its divisors is an integer number (1437811713).

Almost surely, 25748865921 is an apocalyptic number.

It is an amenable number.

5748865921 is a deficient number, since it is larger than the sum of its proper divisors (2380931).

5748865921 is a wasteful number, since it uses less digits than its factorization.

5748865921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380930.

The product of its digits is 4838400, while the sum is 55.

The square root of 5748865921 is about 75821.2761762818. The cubic root of 5748865921 is about 1791.4061463334.

The spelling of 5748865921 in words is "five billion, seven hundred forty-eight million, eight hundred sixty-five thousand, nine hundred twenty-one".

Divisors: 1 2417 2378513 5748865921