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3328979905 = 5665795981
BaseRepresentation
bin1100011001101100…
…0011001111000001
322121000001200221001
43012123003033001
523304204324110
61310155332001
7145331601526
oct30633031701
98530050831
103328979905
111459138969
1278aa51001
134108babc4
142381a114d
151473c963a
hexc66c33c1

3328979905 has 4 divisors (see below), whose sum is σ = 3994775892. Its totient is φ = 2663183920.

The previous prime is 3328979881. The next prime is 3328979909. The reversal of 3328979905 is 5099798233.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5099798233 = 7877647429.

It can be written as a sum of positive squares in 2 ways, for example, as 418161601 + 2910818304 = 20449^2 + 53952^2 .

It is not a de Polignac number, because 3328979905 - 27 = 3328979777 is a prime.

It is a super-2 number, since 2×33289799052 = 22164214415787618050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3328979909) 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, 332897986 + ... + 332897995.

It is an arithmetic number, because the mean of its divisors is an integer number (998693973).

Almost surely, 23328979905 is an apocalyptic number.

It is an amenable number.

3328979905 is a deficient number, since it is larger than the sum of its proper divisors (665795987).

3328979905 is an equidigital number, since it uses as much as digits as its factorization.

3328979905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665795986.

The product of its (nonzero) digits is 3674160, while the sum is 55.

The square root of 3328979905 is about 57697.3128057105. The cubic root of 3328979905 is about 1493.1509830566.

The spelling of 3328979905 in words is "three billion, three hundred twenty-eight million, nine hundred seventy-nine thousand, nine hundred five".

Divisors: 1 5 665795981 3328979905