Search a number
-
+
84772520052 = 22311642216061
BaseRepresentation
bin100111011110011010…
…1100000000001110100
322002210221110012201220
41032330311200001310
52342103231120202
6102535521150340
76060512350143
oct1167465400164
9262727405656
1084772520052
1132a51972030
121451a18b3b0
137cbcb0748c
14416294375a
15231248dabc
hex13bcd60074

84772520052 has 24 divisors (see below), whose sum is σ = 215784596832. Its totient is φ = 25688642400.

The previous prime is 84772520003. The next prime is 84772520057. The reversal of 84772520052 is 25002527748.

It is a junction number, because it is equal to n+sod(n) for n = 84772519986 and 84772520013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84772520057) 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 7 ways as a sum of consecutive naturals, for example, 321107899 + ... + 321108162.

It is an arithmetic number, because the mean of its divisors is an integer number (8991024868).

Almost surely, 284772520052 is an apocalyptic number.

It is an amenable number.

84772520052 is an abundant number, since it is smaller than the sum of its proper divisors (131012076780).

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

84772520052 is a wasteful number, since it uses less digits than its factorization.

84772520052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642216079 (or 642216077 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 42.

The spelling of 84772520052 in words is "eighty-four billion, seven hundred seventy-two million, five hundred twenty thousand, fifty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 642216061 1284432122 1926648183 2568864244 3853296366 7064376671 7706592732 14128753342 21193130013 28257506684 42386260026 84772520052