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6841958008661 = 43197807691891
BaseRepresentation
bin110001110010000010001…
…1110100000011101010101
3220020002021211001222022122
41203210010132200131111
51344044312222234121
622315052505105325
71304213045335106
oct143440436403525
926202254058278
106841958008661
1121a8726a21066
12926025a88245
133a8269c23019
1419921c7aa3ad
15bce95acc5ab
hex639047a0755

6841958008661 has 8 divisors (see below), whose sum is σ = 7036611763104. Its totient is φ = 6648919638480.

The previous prime is 6841958008631. The next prime is 6841958008673. The reversal of 6841958008661 is 1668008591486.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6841958008661 - 222 = 6841953814357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6841958008594 and 6841958008603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6841958008631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403837475 + ... + 403854416.

It is an arithmetic number, because the mean of its divisors is an integer number (879576470388).

Almost surely, 26841958008661 is an apocalyptic number.

It is an amenable number.

6841958008661 is a deficient number, since it is larger than the sum of its proper divisors (194653754443).

6841958008661 is a wasteful number, since it uses less digits than its factorization.

6841958008661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807692131.

The product of its (nonzero) digits is 19906560, while the sum is 62.

The spelling of 6841958008661 in words is "six trillion, eight hundred forty-one billion, nine hundred fifty-eight million, eight thousand, six hundred sixty-one".

Divisors: 1 43 197 8471 807691891 34730751313 159115302527 6841958008661