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6684530832 = 243471789487
BaseRepresentation
bin1100011100110110…
…11101100010010000
3122020212010100110000
412032123131202100
5102142214441312
63023144410000
7324435401040
oct61633354220
918225110400
106684530832
112920274a51
121366776900
13826b500b5
14475abb720
15291ca1adc
hex18e6dd890

6684530832 has 400 divisors, whose sum is σ = 23723124480. Its totient is φ = 1773674496.

The previous prime is 6684530807. The next prime is 6684530891. The reversal of 6684530832 is 2380354866.

It is a happy number.

6684530832 is a `hidden beast` number, since 6 + 6 + 84 + 530 + 8 + 32 = 666.

It is a super-2 number, since 2×66845308322 = 89365904887917224448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 13725693 + ... + 13726179.

Almost surely, 26684530832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6684530832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11861562240).

6684530832 is an abundant number, since it is smaller than the sum of its proper divisors (17038593648).

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

6684530832 is a wasteful number, since it uses less digits than its factorization.

6684530832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620 (or 605 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The square root of 6684530832 is about 81758.9801306254. The cubic root of 6684530832 is about 1883.7516407572.

The spelling of 6684530832 in words is "six billion, six hundred eighty-four million, five hundred thirty thousand, eight hundred thirty-two".