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6969680018 = 272321644969
BaseRepresentation
bin1100111110110110…
…01110000010010010
3122222201200102120222
412133123032002102
5103233214230033
63111332233042
7334500205550
oct63733160222
918881612528
106969680018
112a57225834
12142616b782
13870c4b422
144a1906bd0
152abd2a598
hex19f6ce092

6969680018 has 16 divisors (see below), whose sum is σ = 12467502720. Its totient is φ = 2857135776.

The previous prime is 6969679967. The next prime is 6969680027. The reversal of 6969680018 is 8100869696.

It is a Curzon number.

It is an unprimeable number.

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, 10822163 + ... + 10822806.

It is an arithmetic number, because the mean of its divisors is an integer number (779218920).

Almost surely, 26969680018 is an apocalyptic number.

6969680018 is a deficient number, since it is larger than the sum of its proper divisors (5497822702).

6969680018 is a wasteful number, since it uses less digits than its factorization.

6969680018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21645001.

The product of its (nonzero) digits is 1119744, while the sum is 53.

The square root of 6969680018 is about 83484.6094678534. The cubic root of 6969680018 is about 1910.1652788637.

The spelling of 6969680018 in words is "six billion, nine hundred sixty-nine million, six hundred eighty thousand, eighteen".

Divisors: 1 2 7 14 23 46 161 322 21644969 43289938 151514783 303029566 497834287 995668574 3484840009 6969680018