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6684904512 = 2633111322081
BaseRepresentation
bin1100011100111001…
…11000110001000000
3122020212211100001000
412032130320301000
5102142313421022
63023200412000
7324441515346
oct61634706100
918225740030
106684904512
1129204aa780
121366917000
13826c51200
14475b77996
15291d276ac
hex18e738c40

6684904512 has 336 divisors, whose sum is σ = 23226125760. Its totient is φ = 1869004800.

The previous prime is 6684904507. The next prime is 6684904537. The reversal of 6684904512 is 2154094866.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3211312 + ... + 3213392.

Almost surely, 26684904512 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 6684904512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11613062880).

6684904512 is an abundant number, since it is smaller than the sum of its proper divisors (16541221248).

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

6684904512 is a wasteful number, since it uses less digits than its factorization.

6684904512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2139 (or 2110 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 6684904512 is about 81761.2653522437. The cubic root of 6684904512 is about 1883.7867420588.

The spelling of 6684904512 in words is "six billion, six hundred eighty-four million, nine hundred four thousand, five hundred twelve".