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4788398089 = 6670171789
BaseRepresentation
bin1000111010110100…
…10010100000001001
3110100201012211022101
410131122102200021
534301312214324
62111051553401
7226442466166
oct43532224011
913321184271
104788398089
112037a203a2
12b1775b861
135b4071867
14335d3d06d
151d05a9944
hex11d692809

4788398089 has 4 divisors (see below), whose sum is σ = 4788536580. Its totient is φ = 4788259600.

The previous prime is 4788398081. The next prime is 4788398119. The reversal of 4788398089 is 9808938874.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1625460489 + 3162937600 = 40317^2 + 56240^2 .

It is a cyclic number.

It is not a de Polignac number, because 4788398089 - 23 = 4788398081 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 4788398089.

It is not an unprimeable number, because it can be changed into a prime (4788398081) 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, 30807 + ... + 102595.

It is an arithmetic number, because the mean of its divisors is an integer number (1197134145).

Almost surely, 24788398089 is an apocalyptic number.

It is an amenable number.

4788398089 is a deficient number, since it is larger than the sum of its proper divisors (138491).

4788398089 is an equidigital number, since it uses as much as digits as its factorization.

4788398089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138490.

The product of its (nonzero) digits is 27869184, while the sum is 64.

The square root of 4788398089 is about 69198.2520660746. The cubic root of 4788398089 is about 1685.5051465302.

The spelling of 4788398089 in words is "four billion, seven hundred eighty-eight million, three hundred ninety-eight thousand, eighty-nine".

Divisors: 1 66701 71789 4788398089