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85813671810 = 2357789367243
BaseRepresentation
bin100111111101011100…
…1001011011110000010
322012111111120012110010
41033322321023132002
52401221244444220
6103231112445350
76125354114046
oct1177271133602
9265444505403
1085813671810
1133436642829
121476a9a9856
1381277224c9
144220d24026
152373a9d1e0
hex13fae4b782

85813671810 has 32 divisors (see below), whose sum is σ = 205979814720. Its totient is φ = 22880645568.

The previous prime is 85813671809. The next prime is 85813671871. The reversal of 85813671810 is 1817631858.

It is a super-2 number, since 2×858136718102 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85813671810.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50049 + ... + 417291.

It is an arithmetic number, because the mean of its divisors is an integer number (6436869210).

Almost surely, 285813671810 is an apocalyptic number.

85813671810 is an abundant number, since it is smaller than the sum of its proper divisors (120166142910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85813671810 is a wasteful number, since it uses less digits than its factorization.

85813671810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375042.

The product of its (nonzero) digits is 322560, while the sum is 48.

The spelling of 85813671810 in words is "eighty-five billion, eight hundred thirteen million, six hundred seventy-one thousand, eight hundred ten".

Divisors: 1 2 3 5 6 10 15 30 7789 15578 23367 38945 46734 77890 116835 233670 367243 734486 1101729 1836215 2203458 3672430 5508645 11017290 2860455727 5720911454 8581367181 14302278635 17162734362 28604557270 42906835905 85813671810