Base | Representation |
---|---|
bin | 100111111001001000… |
… | …0101001111101110000 |
3 | 22012010102000112022221 |
4 | 1033302100221331300 |
5 | 2400422210043323 |
6 | 103204500210424 |
7 | 6121645022641 |
oct | 1176220517560 |
9 | 265112015287 |
10 | 85668831088 |
11 | 33371904855 |
12 | 1472a399a14 |
13 | 810370ba39 |
14 | 42099bd6c8 |
15 | 2365edc55d |
hex | 13f2429f70 |
85668831088 has 20 divisors (see below), whose sum is σ = 166677858720. Its totient is φ = 42655190144.
The previous prime is 85668831043. The next prime is 85668831097. The reversal of 85668831088 is 88013886658.
It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 11197645 + ... + 11205292.
It is an arithmetic number, because the mean of its divisors is an integer number (8333892936).
Almost surely, 285668831088 is an apocalyptic number.
It is an amenable number.
85668831088 is a deficient number, since it is larger than the sum of its proper divisors (81009027632).
85668831088 is a wasteful number, since it uses less digits than its factorization.
85668831088 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22403184 (or 22403178 counting only the distinct ones).
The product of its (nonzero) digits is 17694720, while the sum is 61.
The spelling of 85668831088 in words is "eighty-five billion, six hundred sixty-eight million, eight hundred thirty-one thousand, eighty-eight".
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