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6679116768 = 253508113693
BaseRepresentation
bin1100011100001101…
…10011101111100000
3122020110221021202010
412032012303233200
5102134323214033
63022432352520
7324341361432
oct61606635740
918213837663
106679116768
112918207315
1213649a5740
138259a59cc
144750ac652
15291582863
hex18e1b3be0

6679116768 has 48 divisors (see below), whose sum is σ = 17537412816. Its totient is φ = 2225771520.

The previous prime is 6679116761. The next prime is 6679116779. The reversal of 6679116768 is 8676119766.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×66791167682 = 89221201601157531648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6679116761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480930 + ... + 494622.

It is an arithmetic number, because the mean of its divisors is an integer number (365362767).

Almost surely, 26679116768 is an apocalyptic number.

It is an amenable number.

6679116768 is an abundant number, since it is smaller than the sum of its proper divisors (10858296048).

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

6679116768 is a wasteful number, since it uses less digits than its factorization.

6679116768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18787 (or 18779 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 57.

The square root of 6679116768 is about 81725.8635194514. The cubic root of 6679116768 is about 1883.2429285830.

The spelling of 6679116768 in words is "six billion, six hundred seventy-nine million, one hundred sixteen thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 5081 10162 13693 15243 20324 27386 30486 40648 41079 54772 60972 81296 82158 109544 121944 162592 164316 219088 243888 328632 438176 487776 657264 1314528 69574133 139148266 208722399 278296532 417444798 556593064 834889596 1113186128 1669779192 2226372256 3339558384 6679116768