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82001018 = 21113812699
BaseRepresentation
bin1001110001100…
…11110001111010
312201022002020202
410320303301322
5131443013033
612045322202
72013666011
oct470636172
9181262222
1082001018
1142318640
1223566362
1313cb1118
14ac67a78
1572eb8e8
hex4e33c7a

82001018 has 16 divisors (see below), whose sum is σ = 134330400. Its totient is φ = 37232400.

The previous prime is 82000981. The next prime is 82001057. The reversal of 82001018 is 81010028.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29033 + ... + 31731.

It is an arithmetic number, because the mean of its divisors is an integer number (8395650).

Almost surely, 282001018 is an apocalyptic number.

82001018 is a deficient number, since it is larger than the sum of its proper divisors (52329382).

82001018 is a wasteful number, since it uses less digits than its factorization.

82001018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4093.

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 82001018 is about 9055.4413476097. The cubic root of 82001018 is about 434.4499464077.

It can be divided in two parts, 820010 and 18, that added together give a palindrome (820028).

The spelling of 82001018 in words is "eighty-two million, one thousand, eighteen".

Divisors: 1 2 11 22 1381 2699 2762 5398 15191 29689 30382 59378 3727319 7454638 41000509 82001018