Base | Representation |
---|---|
bin | 101000100000001110… |
… | …1110000100001101111 |
3 | 22022111211212221222211 |
4 | 1101000131300201233 |
5 | 2411114101414222 |
6 | 103543010151251 |
7 | 6166316232520 |
oct | 1210035604157 |
9 | 268454787884 |
10 | 86980888687 |
11 | 33985498080 |
12 | 14a35882527 |
13 | 82824a8c94 |
14 | 42d1d5c847 |
15 | 23e12b0277 |
hex | 144077086f |
86980888687 has 16 divisors (see below), whose sum is σ = 113158651392. Its totient is φ = 64830474720.
The previous prime is 86980888651. The next prime is 86980888691. The reversal of 86980888687 is 78688808968.
It is not a de Polignac number, because 86980888687 - 231 = 84833405039 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86980888697) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24555228 + ... + 24558769.
It is an arithmetic number, because the mean of its divisors is an integer number (7072415712).
Almost surely, 286980888687 is an apocalyptic number.
86980888687 is a deficient number, since it is larger than the sum of its proper divisors (26177762705).
86980888687 is a wasteful number, since it uses less digits than its factorization.
86980888687 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49114038.
The product of its (nonzero) digits is 594542592, while the sum is 76.
The spelling of 86980888687 in words is "eighty-six billion, nine hundred eighty million, eight hundred eighty-eight thousand, six hundred eighty-seven".
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