Base | Representation |
---|---|
bin | 101000011101100000… |
… | …1110010010011100101 |
3 | 22022021111020120021210 |
4 | 1100323001302103211 |
5 | 2410422223413421 |
6 | 103525551102033 |
7 | 6164131002441 |
oct | 1207301622345 |
9 | 268244216253 |
10 | 86889669861 |
11 | 33938a54015 |
12 | 14a0b211919 |
13 | 826961b347 |
14 | 42c3bb5821 |
15 | 23d8292576 |
hex | 143b0724e5 |
86889669861 has 16 divisors (see below), whose sum is σ = 123157851840. Its totient is φ = 54334339200.
The previous prime is 86889669851. The next prime is 86889669863. The reversal of 86889669861 is 16896698868.
It is a happy number.
It is not a de Polignac number, because 86889669861 - 213 = 86889661669 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86889669863) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7540680 + ... + 7552193.
It is an arithmetic number, because the mean of its divisors is an integer number (7697365740).
Almost surely, 286889669861 is an apocalyptic number.
It is an amenable number.
86889669861 is a deficient number, since it is larger than the sum of its proper divisors (36268181979).
86889669861 is a wasteful number, since it uses less digits than its factorization.
86889669861 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15092996.
The product of its digits is 429981696, while the sum is 75.
The spelling of 86889669861 in words is "eighty-six billion, eight hundred eighty-nine million, six hundred sixty-nine thousand, eight hundred sixty-one".
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