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86929816589 = 71123411197199
BaseRepresentation
bin101000011110101101…
…0111011110000001101
322022101021210020020122
41100331122323300031
52411013013112324
6103533543354325
76165126151340
oct1207532736015
9268337706218
1086929816589
1133959684930
1214a207529a5
138274a368c5
1442c9266457
1523dba72a5e
hex143d6bbc0d

86929816589 has 32 divisors (see below), whose sum is σ = 115850649600. Its totient is φ = 63212054400.

The previous prime is 86929816573. The next prime is 86929816639. The reversal of 86929816589 is 98561892968.

It is not a de Polignac number, because 86929816589 - 24 = 86929816573 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86929816789) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 525989 + ... + 671210.

It is an arithmetic number, because the mean of its divisors is an integer number (3620332800).

Almost surely, 286929816589 is an apocalyptic number.

It is an amenable number.

86929816589 is a deficient number, since it is larger than the sum of its proper divisors (28920833011).

86929816589 is a wasteful number, since it uses less digits than its factorization.

86929816589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197281.

The product of its digits is 134369280, while the sum is 71.

The spelling of 86929816589 in words is "eighty-six billion, nine hundred twenty-nine million, eight hundred sixteen thousand, five hundred eighty-nine".

Divisors: 1 7 11 23 41 77 161 253 287 451 943 1771 3157 6601 10373 72611 1197199 8380393 13169189 27535577 49085159 92184323 192749039 302891347 343596113 539936749 1128958657 2120239429 3779557243 7902710599 12418545227 86929816589