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3331609680 = 2435717315371
BaseRepresentation
bin1100011010010100…
…0101010001010000
322121012000022022010
43012211011101100
523310343002210
61310331542520
7145363133520
oct30645052120
98535008263
103331609680
11145a674733
1278b8baa40
134112cbb99
14238687680
15147748920
hexc6945450

3331609680 has 640 divisors, whose sum is σ = 13329432576. Its totient is φ = 670924800.

The previous prime is 3331609667. The next prime is 3331609681. The reversal of 3331609680 is 869061333.

It is a super-2 number, since 2×33316096802 = 22199246119739404800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3331609681) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 46924045 + ... + 46924115.

Almost surely, 23331609680 is an apocalyptic number.

3331609680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3331609680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6664716288).

3331609680 is an abundant number, since it is smaller than the sum of its proper divisors (9997822896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3331609680 is a wasteful number, since it uses less digits than its factorization.

3331609680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 3331609680 is about 57720.0977130150. The cubic root of 3331609680 is about 1493.5440581848.

The spelling of 3331609680 in words is "three billion, three hundred thirty-one million, six hundred nine thousand, six hundred eighty".