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6839905061824 = 26229466696579
BaseRepresentation
bin110001110001000101000…
…0111001000101111000000
3220012212222202002110200121
41203202022013020233000
51344031111143434244
622314113051230024
71304111136513262
oct143421207105700
926185882073617
106839905061824
1121a787310078a
12925752448314
133a80007cb193
141990a5c8bb32
15bcdc575bc84
hex6388a1c8bc0

6839905061824 has 28 divisors (see below), whose sum is σ = 13632207101800. Its totient is φ = 3405018233088.

The previous prime is 6839905061767. The next prime is 6839905061827. The reversal of 6839905061824 is 4281605099386.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6839905061827) 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 3 ways as a sum of consecutive naturals, for example, 233333634 + ... + 233362945.

It is an arithmetic number, because the mean of its divisors is an integer number (486864539350).

Almost surely, 26839905061824 is an apocalyptic number.

6839905061824 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6839905061824 is a deficient number, since it is larger than the sum of its proper divisors (6792302039976).

6839905061824 is a wasteful number, since it uses less digits than its factorization.

6839905061824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466696820 (or 466696810 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 61.

The spelling of 6839905061824 in words is "six trillion, eight hundred thirty-nine billion, nine hundred five million, sixty-one thousand, eight hundred twenty-four".

Divisors: 1 2 4 8 16 32 64 229 458 916 1832 3664 7328 14656 466696579 933393158 1866786316 3733572632 7467145264 14934290528 29868581056 106873516591 213747033182 427494066364 854988132728 1709976265456 3419952530912 6839905061824