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6759742868 = 2210211655177
BaseRepresentation
bin1100100101110100…
…10111110110010100
3122110002122111221222
412102322113312110
5102320443232433
63034432425512
7326340603104
oct62272276624
918402574858
106759742868
11295977595a
1213879a8298
138395c5068
14481a99204
152986abb98
hex192e97d94

6759742868 has 12 divisors (see below), whose sum is σ = 11841143412. Its totient is φ = 3376559040.

The previous prime is 6759742819. The next prime is 6759742883. The reversal of 6759742868 is 8682479576.

It can be written as a sum of positive squares in 2 ways, for example, as 1575454864 + 5184288004 = 39692^2 + 72002^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6759742868.

It is a congruent number.

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, 823505 + ... + 831672.

It is an arithmetic number, because the mean of its divisors is an integer number (986761951).

Almost surely, 26759742868 is an apocalyptic number.

It is an amenable number.

6759742868 is a deficient number, since it is larger than the sum of its proper divisors (5081400544).

6759742868 is a wasteful number, since it uses less digits than its factorization.

6759742868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656202 (or 1656200 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 62.

The square root of 6759742868 is about 82217.6554518554. The cubic root of 6759742868 is about 1890.7904150817.

The spelling of 6759742868 in words is "six billion, seven hundred fifty-nine million, seven hundred forty-two thousand, eight hundred sixty-eight".

Divisors: 1 2 4 1021 2042 4084 1655177 3310354 6620708 1689935717 3379871434 6759742868