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6838709678097 = 311565336659053
BaseRepresentation
bin110001110000100001011…
…0111000111000000010001
3220012202220102202200111020
41203201002313013000101
51344021134134144342
622313354310110053
71304036413102443
oct143410267070021
926182812680436
106838709678097
1121a730a368250
1292547a04b329
133a7b6cc61c2b
14198dd1200493
15bcd558340ec
hex63842dc7011

6838709678097 has 16 divisors (see below), whose sum is σ = 9948973983168. Its totient is φ = 4143939238080.

The previous prime is 6838709678069. The next prime is 6838709678111. The reversal of 6838709678097 is 7908769078386.

It is not a de Polignac number, because 6838709678097 - 26 = 6838709678033 is a prime.

It is a super-2 number, since 2×68387096780972 (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6838709678497) 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 15 ways as a sum of consecutive naturals, for example, 18142978 + ... + 18516075.

It is an arithmetic number, because the mean of its divisors is an integer number (621810873948).

Almost surely, 26838709678097 is an apocalyptic number.

It is an amenable number.

6838709678097 is a deficient number, since it is larger than the sum of its proper divisors (3110264305071).

6838709678097 is a wasteful number, since it uses less digits than its factorization.

6838709678097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36664720.

The product of its (nonzero) digits is 1536288768, while the sum is 78.

The spelling of 6838709678097 in words is "six trillion, eight hundred thirty-eight billion, seven hundred nine million, six hundred seventy-eight thousand, ninety-seven".

Divisors: 1 3 11 33 5653 16959 62183 186549 36659053 109977159 403249583 1209748749 207233626609 621700879827 2279569892699 6838709678097