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3325706881 = 7267871569
BaseRepresentation
bin1100011000111010…
…0100001010000001
322120202220102011221
43012032210022001
523302340110011
61310001235041
7145262020300
oct30616441201
98522812157
103325706881
111457302892
12789932a81
134100131c3
1423798c437
15146e7e971
hexc63a4281

3325706881 has 6 divisors (see below), whose sum is σ = 3868679490. Its totient is φ = 2850605856.

The previous prime is 3325706869. The next prime is 3325706959. The reversal of 3325706881 is 1886075233.

It can be written as a sum of positive squares in only one way, i.e., 3058090000 + 267616881 = 55300^2 + 16359^2 .

It is not a de Polignac number, because 3325706881 - 25 = 3325706849 is a prime.

It is a super-2 number, since 2×33257068812 = 22120652516661496322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3325706081) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33935736 + ... + 33935833.

It is an arithmetic number, because the mean of its divisors is an integer number (644779915).

Almost surely, 23325706881 is an apocalyptic number.

It is an amenable number.

3325706881 is a deficient number, since it is larger than the sum of its proper divisors (542972609).

3325706881 is an equidigital number, since it uses as much as digits as its factorization.

3325706881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67871583 (or 67871576 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 3325706881 is about 57668.9420832392. The cubic root of 3325706881 is about 1492.6614715870.

The spelling of 3325706881 in words is "three billion, three hundred twenty-five million, seven hundred six thousand, eight hundred eighty-one".

Divisors: 1 7 49 67871569 475100983 3325706881