Base | Representation |
---|---|
bin | 101000011101001100… |
… | …1101110101101011100 |
3 | 22022020202111002022210 |
4 | 1100322121232231130 |
5 | 2410412031404442 |
6 | 103524534040420 |
7 | 6163642516662 |
oct | 1207231565534 |
9 | 268222432283 |
10 | 86879169372 |
11 | 33933031926 |
12 | 14a077a9110 |
13 | 82673b2a38 |
14 | 42c2640c32 |
15 | 23d73bb19c |
hex | 143a66eb5c |
86879169372 has 12 divisors (see below), whose sum is σ = 202718061896. Its totient is φ = 28959723120.
The previous prime is 86879169367. The next prime is 86879169379. The reversal of 86879169372 is 27396197868.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86879169379) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3619965379 + ... + 3619965402.
Almost surely, 286879169372 is an apocalyptic number.
It is an amenable number.
86879169372 is an abundant number, since it is smaller than the sum of its proper divisors (115838892524).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86879169372 is a wasteful number, since it uses less digits than its factorization.
86879169372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7239930788 (or 7239930786 counting only the distinct ones).
The product of its digits is 54867456, while the sum is 66.
The spelling of 86879169372 in words is "eighty-six billion, eight hundred seventy-nine million, one hundred sixty-nine thousand, three hundred seventy-two".
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