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6479106853849 = 723311279352201
BaseRepresentation
bin101111001001000100011…
…0111001100101111011001
3211221101201002121110200221
41132102020313030233121
51322123202323310344
621440243253400041
71236046210402150
oct136221067145731
924841632543627
106479106853849
1120788569aaa13
1288783b939021
1337cc91a690a6
1418583a276597
15b380a729184
hex5e488dccbd9

6479106853849 has 16 divisors (see below), whose sum is σ = 7437153784320. Its totient is φ = 5529179347200.

The previous prime is 6479106853789. The next prime is 6479106853913. The reversal of 6479106853849 is 9483586019746.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6479106853849 - 27 = 6479106853721 is a prime.

It is a super-2 number, since 2×64791068538492 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6479106853949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18219949 + ... + 18572149.

It is an arithmetic number, because the mean of its divisors is an integer number (464822111520).

Almost surely, 26479106853849 is an apocalyptic number.

It is an amenable number.

6479106853849 is a deficient number, since it is larger than the sum of its proper divisors (958046930471).

6479106853849 is a wasteful number, since it uses less digits than its factorization.

6479106853849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363720.

The product of its (nonzero) digits is 313528320, while the sum is 70.

The spelling of 6479106853849 in words is "six trillion, four hundred seventy-nine billion, one hundred six million, eight hundred fifty-three thousand, eight hundred forty-nine".

Divisors: 1 7 233 1631 11279 78953 352201 2465407 2628007 18396049 82062833 574439831 3972475079 27807325553 925586693407 6479106853849