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85481311682 = 2132379683977
BaseRepresentation
bin100111110011100010…
…1010100110111000010
322011122100011120001202
41033213011110313002
52400031203433212
6103134121101202
76114210106064
oct1174705246702
9264570146052
1085481311682
1133285a76738
1214697627802
1380a3904400
1441ccb29734
1523547eb0c2
hex13e7154dc2

85481311682 has 48 divisors (see below), whose sum is σ = 139556766240. Its totient is φ = 39250987776.

The previous prime is 85481311649. The next prime is 85481311693. The reversal of 85481311682 is 28611318458.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 87493178 + ... + 87494154.

It is an arithmetic number, because the mean of its divisors is an integer number (2907432630).

Almost surely, 285481311682 is an apocalyptic number.

85481311682 is a deficient number, since it is larger than the sum of its proper divisors (54075454558).

85481311682 is a wasteful number, since it uses less digits than its factorization.

85481311682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067 (or 2054 counting only the distinct ones).

The product of its digits is 368640, while the sum is 47.

The spelling of 85481311682 in words is "eighty-five billion, four hundred eighty-one million, three hundred eleven thousand, six hundred eighty-two".

Divisors: 1 2 13 26 169 338 379 683 758 977 1366 1954 4927 8879 9854 12701 17758 25402 64051 115427 128102 165113 230854 258857 330226 370283 517714 667291 740566 1334582 3365141 4813679 6730282 8674783 9627358 17349566 43746833 62577827 87493666 112772179 125155654 225544358 252903289 505806578 3287742757 6575485514 42740655841 85481311682