Search a number
-
+
82003375887 = 3232017589219
BaseRepresentation
bin100110001011111001…
…0000011011100001111
321211122221211010001220
41030113302003130033
52320420331012022
6101401040534423
75632056123426
oct1142762033417
9254587733056
1082003375887
113186084a034
1213a86921413
13796b1c1934
143d7cc722bd
1521ee2eb85c
hex1317c8370f

82003375887 has 16 divisors (see below), whose sum is σ = 114148412160. Its totient is φ = 52265993472.

The previous prime is 82003375877. The next prime is 82003375903. The reversal of 82003375887 is 78857330028.

It is not a de Polignac number, because 82003375887 - 216 = 82003310351 is a prime.

It is a super-2 number, since 2×820033758872 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82003375807) 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 15 ways as a sum of consecutive naturals, for example, 155437 + ... + 433782.

It is an arithmetic number, because the mean of its divisors is an integer number (7134275760).

Almost surely, 282003375887 is an apocalyptic number.

82003375887 is a deficient number, since it is larger than the sum of its proper divisors (32145036273).

82003375887 is a wasteful number, since it uses less digits than its factorization.

82003375887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591262.

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 82003375887 in words is "eighty-two billion, three million, three hundred seventy-five thousand, eight hundred eighty-seven".

Divisors: 1 3 23 69 2017 6051 46391 139173 589219 1767657 13552037 40656111 1188454723 3565364169 27334458629 82003375887