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6885708064 = 25732947649
BaseRepresentation
bin1100110100110101…
…11001000100100000
3122202212200012201121
412122122321010200
5103100220124224
63055132342024
7332430360424
oct63232710440
918685605647
106885708064
112a13891424
121402014914
1385972a191
144946c8b84
152a478ebe4
hex19a6b9120

6885708064 has 24 divisors (see below), whose sum is σ = 13741944300. Its totient is φ = 3395690496.

The previous prime is 6885708047. The next prime is 6885708077. The reversal of 6885708064 is 4608075886.

It can be written as a sum of positive squares in 2 ways, for example, as 6873736464 + 11971600 = 82908^2 + 3460^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1471489 + ... + 1476160.

Almost surely, 26885708064 is an apocalyptic number.

It is an amenable number.

6885708064 is a deficient number, since it is larger than the sum of its proper divisors (6856236236).

6885708064 is a wasteful number, since it uses less digits than its factorization.

6885708064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2947732 (or 2947724 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 52.

The square root of 6885708064 is about 82980.1666906014. The cubic root of 6885708064 is about 1902.4629245499.

The spelling of 6885708064 in words is "six billion, eight hundred eighty-five million, seven hundred eight thousand, sixty-four".

Divisors: 1 2 4 8 16 32 73 146 292 584 1168 2336 2947649 5895298 11790596 23581192 47162384 94324768 215178377 430356754 860713508 1721427016 3442854032 6885708064