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85718845886 = 21791231194507
BaseRepresentation
bin100111111010100111…
…1011100100110111110
322012020220010112201212
41033311033130212332
52401023011032021
6103213444204422
76123123111452
oct1176517344676
9265226115655
1085718845886
11333980656a3
1214743099712
138110ba0aab
1442124bc662
15236a5bb85b
hex13f53dc9be

85718845886 has 16 divisors (see below), whose sum is σ = 129402282240. Its totient is φ = 42585143640.

The previous prime is 85718845873. The next prime is 85718845897. The reversal of 85718845886 is 68854881758.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343445 + ... + 537951.

It is an arithmetic number, because the mean of its divisors is an integer number (8087642640).

Almost surely, 285718845886 is an apocalyptic number.

85718845886 is a deficient number, since it is larger than the sum of its proper divisors (43683436354).

85718845886 is a wasteful number, since it uses less digits than its factorization.

85718845886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195919.

The product of its digits is 137625600, while the sum is 68.

The spelling of 85718845886 in words is "eighty-five billion, seven hundred eighteen million, eight hundred forty-five thousand, eight hundred eighty-six".

Divisors: 1 2 179 358 1231 2462 194507 220349 389014 440698 34816753 69633506 239438117 478876234 42859422943 85718845886