Base | Representation |
---|---|
bin | 101000011111010011… |
… | …0101111001110011100 |
3 | 22022102200011210222222 |
4 | 1100332212233032130 |
5 | 2411033110010340 |
6 | 103535533324512 |
7 | 6165460104203 |
oct | 1207646571634 |
9 | 268380153888 |
10 | 86949688220 |
11 | 3396991776a |
12 | 14a27336738 |
13 | 8278ba3775 |
14 | 42cbb5a23a |
15 | 23dd69a8b5 |
hex | 143e9af39c |
86949688220 has 24 divisors (see below), whose sum is σ = 192204574800. Its totient is φ = 32949355392.
The previous prime is 86949688207. The next prime is 86949688237. The reversal of 86949688220 is 2288694968.
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, 114407105 + ... + 114407864.
It is an arithmetic number, because the mean of its divisors is an integer number (8008523950).
Almost surely, 286949688220 is an apocalyptic number.
It is an amenable number.
86949688220 is an abundant number, since it is smaller than the sum of its proper divisors (105254886580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86949688220 is a wasteful number, since it uses less digits than its factorization.
86949688220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 228814997 (or 228814995 counting only the distinct ones).
The product of its (nonzero) digits is 23887872, while the sum is 62.
The spelling of 86949688220 in words is "eighty-six billion, nine hundred forty-nine million, six hundred eighty-eight thousand, two hundred twenty".
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