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4888243817 = 239285577
BaseRepresentation
bin1001000110101110…
…01010111001101001
3110121200002111220022
410203113022321221
540002342300232
62125020010225
7232064246462
oct44327127151
913550074808
104888243817
112089316a26
12b45090975
135cb960082
143452cdd69
151d922d812
hex1235cae69

4888243817 has 6 divisors (see below), whose sum is σ = 4908839658. Its totient is φ = 4867734032.

The previous prime is 4888243793. The next prime is 4888243831. The reversal of 4888243817 is 7183428884.

4888243817 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3831733801 + 1056510016 = 61901^2 + 32504^2 .

It is not a de Polignac number, because 4888243817 - 232 = 593276521 is a prime.

It is a super-2 number, since 2×48882438172 = 47789855228877458978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4888243837) 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 5 ways as a sum of consecutive naturals, for example, 14333 + ... + 99909.

It is an arithmetic number, because the mean of its divisors is an integer number (818139943).

Almost surely, 24888243817 is an apocalyptic number.

It is an amenable number.

4888243817 is a deficient number, since it is larger than the sum of its proper divisors (20595841).

4888243817 is an frugal number, since it uses more digits than its factorization.

4888243817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86055 (or 85816 counting only the distinct ones).

The product of its digits is 2752512, while the sum is 53.

The square root of 4888243817 is about 69915.9768364857. The cubic root of 4888243817 is about 1697.1398060878.

The spelling of 4888243817 in words is "four billion, eight hundred eighty-eight million, two hundred forty-three thousand, eight hundred seventeen".

Divisors: 1 239 57121 85577 20452903 4888243817