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86871677066 = 21391619193013
BaseRepresentation
bin101000011100111110…
…1001001100010001010
322022020020101102210222
41100321331021202022
52410403122131231
6103524105310042
76163522033346
oct1207175114212
9268206342728
1086871677066
1133929884839
1214a05195322
13826598b715
1442c1650626
1523d68db27b
hex1439f4988a

86871677066 has 16 divisors (see below), whose sum is σ = 131326725600. Its totient is φ = 43096491408.

The previous prime is 86871677027. The next prime is 86871677069. The reversal of 86871677066 is 66077617868.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86871677069) 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, 353576 + ... + 546588.

It is an arithmetic number, because the mean of its divisors is an integer number (8207920350).

Almost surely, 286871677066 is an apocalyptic number.

86871677066 is a deficient number, since it is larger than the sum of its proper divisors (44455048534).

86871677066 is a wasteful number, since it uses less digits than its factorization.

86871677066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194773.

The product of its (nonzero) digits is 28449792, while the sum is 62.

The spelling of 86871677066 in words is "eighty-six billion, eight hundred seventy-one million, six hundred seventy-seven thousand, sixty-six".

Divisors: 1 2 139 278 1619 3238 193013 225041 386026 450082 26828807 53657614 312488047 624976094 43435838533 86871677066