Search a number
-
+
67085280066 = 2371984066767
BaseRepresentation
bin111110011110100110…
…000010001101000010
320102011021210022210110
4332132212002031002
52044342312430231
650452450212150
74563302320620
oct763646021502
9212137708713
1067085280066
11264a5989922
1211002884056
1364316218bc
14336588c510
151b297b5046
hexf9e982342

67085280066 has 32 divisors (see below), whose sum is σ = 161408194560. Its totient is φ = 18158421456.

The previous prime is 67085280011. The next prime is 67085280077. The reversal of 67085280066 is 66008258076.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 67085279997 and 67085280024.

It is an unprimeable number.

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, 42032586 + ... + 42034181.

It is an arithmetic number, because the mean of its divisors is an integer number (5044006080).

Almost surely, 267085280066 is an apocalyptic number.

67085280066 is an abundant number, since it is smaller than the sum of its proper divisors (94322914494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67085280066 is a wasteful number, since it uses less digits than its factorization.

67085280066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84066798.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 67085280066 in words is "sixty-seven billion, eighty-five million, two hundred eighty thousand, sixty-six".

Divisors: 1 2 3 6 7 14 19 21 38 42 57 114 133 266 399 798 84066767 168133534 252200301 504400602 588467369 1176934738 1597268573 1765402107 3194537146 3530804214 4791805719 9583611438 11180880011 22361760022 33542640033 67085280066