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866968703069 = 71373336126839
BaseRepresentation
bin11001001110110110101…
…11001001000001011101
310001212210112120100012112
430213123113021001131
5103201022441444234
61502140244043405
7116431202246210
oct14473327110135
93055715510175
10866968703069
1130475225a597
12120036093565
13639a73a23b1
142dd66549777
151784272aace
hexc9db5c905d

866968703069 has 16 divisors (see below), whose sum is σ = 991874991360. Its totient is φ = 742326197760.

The previous prime is 866968703059. The next prime is 866968703089. The reversal of 866968703069 is 960307869668.

It is a de Polignac number, because none of the positive numbers 2k-866968703069 is a prime.

It is a super-2 number, since 2×8669687030692 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866968703009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32289152 + ... + 32315990.

It is an arithmetic number, because the mean of its divisors is an integer number (61992186960).

Almost surely, 2866968703069 is an apocalyptic number.

It is an amenable number.

866968703069 is a deficient number, since it is larger than the sum of its proper divisors (124906288291).

866968703069 is a wasteful number, since it uses less digits than its factorization.

866968703069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31580.

The product of its (nonzero) digits is 141087744, while the sum is 68.

The spelling of 866968703069 in words is "eight hundred sixty-six billion, nine hundred sixty-eight million, seven hundred three thousand, sixty-nine".

Divisors: 1 7 1373 3361 9611 23527 26839 187873 4614653 32302571 36849947 90205879 257949629 631441153 123852671867 866968703069