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86387828185 = 5314027138401
BaseRepresentation
bin101000001110100011…
…1011010010111011001
322020222111221100221001
41100131013122113121
52403410241000220
6103404102545001
76145525265251
oct1203507322731
9266874840831
1086387828185
1133700749a2a
12148ab138161
1381b966cbc9
1442772a0961
1523a91b380a
hex141d1da5d9

86387828185 has 16 divisors (see below), whose sum is σ = 107036785152. Its totient is φ = 66863808000.

The previous prime is 86387828171. The next prime is 86387828207. The reversal of 86387828185 is 58182878368.

It is not a de Polignac number, because 86387828185 - 213 = 86387819993 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 554985 + ... + 693385.

It is an arithmetic number, because the mean of its divisors is an integer number (6689799072).

Almost surely, 286387828185 is an apocalyptic number.

It is an amenable number.

86387828185 is a deficient number, since it is larger than the sum of its proper divisors (20648956967).

86387828185 is a wasteful number, since it uses less digits than its factorization.

86387828185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142464.

The product of its digits is 41287680, while the sum is 64.

The spelling of 86387828185 in words is "eighty-six billion, three hundred eighty-seven million, eight hundred twenty-eight thousand, one hundred eighty-five".

Divisors: 1 5 31 155 4027 20135 124837 138401 624185 692005 4290431 21452155 557340827 2786704135 17277565637 86387828185