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6720350768 = 241922106417
BaseRepresentation
bin1100100001001000…
…00110101000110000
3122100100112012011022
412100210012220300
5102230402211033
63030504235012
7325352016245
oct62044065060
918310465138
106720350768
11293950aaaa
12137676ba68
138313b2121
1447a7635cc
15294eca098
hex190906a30

6720350768 has 20 divisors (see below), whose sum is σ = 13705979160. Its totient is φ = 3183323904.

The previous prime is 6720350701. The next prime is 6720350773. The reversal of 6720350768 is 8670530276.

It is a super-2 number, since 2×67203507682 = 90326228889916379648, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11052905 + ... + 11053512.

It is an arithmetic number, because the mean of its divisors is an integer number (685298958).

Almost surely, 26720350768 is an apocalyptic number.

It is an amenable number.

6720350768 is an abundant number, since it is smaller than the sum of its proper divisors (6985628392).

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

6720350768 is a wasteful number, since it uses less digits than its factorization.

6720350768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22106444 (or 22106438 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 44.

The square root of 6720350768 is about 81977.7455654887. The cubic root of 6720350768 is about 1887.1104252078.

The spelling of 6720350768 in words is "six billion, seven hundred twenty million, three hundred fifty thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 16 19 38 76 152 304 22106417 44212834 88425668 176851336 353702672 420021923 840043846 1680087692 3360175384 6720350768