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6439277053 = 117127772969
BaseRepresentation
bin1011111111100111…
…11001000111111101
3121121202122011111201
411333303321013331
5101141423331203
62542544015501
7315366644326
oct57763710775
917552564451
106439277053
112804893180
1212b8601591
137b80acb11
144512b944d
1527a4a8e1d
hex17fcf91fd

6439277053 has 16 divisors (see below), whose sum is σ = 7128570240. Its totient is φ = 5767417600.

The previous prime is 6439277011. The next prime is 6439277107. The reversal of 6439277053 is 3507729346.

It is a cyclic number.

It is not a de Polignac number, because 6439277053 - 213 = 6439268861 is a prime.

It is a super-3 number, since 3×64392770533 (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6439276994 and 6439277012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6439277353) 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, 2167353 + ... + 2170321.

It is an arithmetic number, because the mean of its divisors is an integer number (445535640).

Almost surely, 26439277053 is an apocalyptic number.

It is an amenable number.

6439277053 is a deficient number, since it is larger than the sum of its proper divisors (689293187).

6439277053 is a wasteful number, since it uses less digits than its factorization.

6439277053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5828.

The product of its (nonzero) digits is 952560, while the sum is 46.

The square root of 6439277053 is about 80245.1060999984. The cubic root of 6439277053 is about 1860.4258720560.

The spelling of 6439277053 in words is "six billion, four hundred thirty-nine million, two hundred seventy-seven thousand, fifty-three".

Divisors: 1 11 71 781 2777 2969 30547 32659 197167 210799 2168837 2318789 8244913 90694043 585388823 6439277053