Base | Representation |
---|---|
bin | 101000001011010110… |
… | …0010100100010101001 |
3 | 22020201000011100002021 |
4 | 1100112230110202221 |
5 | 2403200144010040 |
6 | 103345253104441 |
7 | 6143046302413 |
oct | 1202654244251 |
9 | 266630140067 |
10 | 86280063145 |
11 | 33655934511 |
12 | 1487b028121 |
13 | 81a023ac03 |
14 | 4266c4b9b3 |
15 | 239e9c824a |
hex | 1416b148a9 |
86280063145 has 24 divisors (see below), whose sum is σ = 109305903816. Its totient is φ = 65371007232.
The previous prime is 86280063143. The next prime is 86280063169. The reversal of 86280063145 is 54136008268.
It can be written as a sum of positive squares in 4 ways, for example, as 8069788224 + 78210274921 = 89832^2 + 279661^2 .
It is not a de Polignac number, because 86280063145 - 21 = 86280063143 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (86280063143) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8646379 + ... + 8656351.
It is an arithmetic number, because the mean of its divisors is an integer number (4554412659).
Almost surely, 286280063145 is an apocalyptic number.
It is an amenable number.
86280063145 is a deficient number, since it is larger than the sum of its proper divisors (23025840671).
86280063145 is a wasteful number, since it uses less digits than its factorization.
86280063145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14809 (or 14790 counting only the distinct ones).
The product of its (nonzero) digits is 276480, while the sum is 43.
The spelling of 86280063145 in words is "eighty-six billion, two hundred eighty million, sixty-three thousand, one hundred forty-five".
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