Base | Representation |
---|---|
bin | 101000010110010010… |
… | …0111000000101000100 |
3 | 22021122121000100022100 |
4 | 1100230210320011010 |
5 | 2404423141212213 |
6 | 103445530232100 |
7 | 6155125064331 |
oct | 1205444700504 |
9 | 267577010270 |
10 | 86647210308 |
11 | 3382410061a |
12 | 14961b85630 |
13 | 822b318b59 |
14 | 429d8dd988 |
15 | 23c1d4c773 |
hex | 142c938144 |
86647210308 has 36 divisors (see below), whose sum is σ = 231908711580. Its totient is φ = 27183438336.
The previous prime is 86647210301. The next prime is 86647210327. The reversal of 86647210308 is 80301274668.
It can be written as a sum of positive squares in 2 ways, for example, as 79415748864 + 7231461444 = 281808^2 + 85038^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (86647210301) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70789593 + ... + 70790816.
It is an arithmetic number, because the mean of its divisors is an integer number (6441908655).
Almost surely, 286647210308 is an apocalyptic number.
It is an amenable number.
86647210308 is an abundant number, since it is smaller than the sum of its proper divisors (145261501272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86647210308 is a wasteful number, since it uses less digits than its factorization.
86647210308 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 141580436 (or 141580431 counting only the distinct ones).
The product of its (nonzero) digits is 387072, while the sum is 45.
The spelling of 86647210308 in words is "eighty-six billion, six hundred forty-seven million, two hundred ten thousand, three hundred eight".
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