Base | Representation |
---|---|
bin | 101000000110101110… |
… | …1000011111111111111 |
3 | 22020022012111210002222 |
4 | 1100031131003333333 |
5 | 2402341004141122 |
6 | 103322035035555 |
7 | 6136155000356 |
oct | 1201535037777 |
9 | 266265453088 |
10 | 86125068287 |
11 | 335863a0595 |
12 | 1483713bbbb |
13 | 81770b068b |
14 | 425042299d |
15 | 23910adb42 |
hex | 140d743fff |
86125068287 has 4 divisors (see below), whose sum is σ = 86129128680. Its totient is φ = 86121007896.
The previous prime is 86125068277. The next prime is 86125068329. The reversal of 86125068287 is 78286052168.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 86125068287 - 220 = 86124019711 is a prime.
It is a super-2 number, since 2×861250682872 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86125068257) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1998212 + ... + 2040857.
It is an arithmetic number, because the mean of its divisors is an integer number (21532282170).
Almost surely, 286125068287 is an apocalyptic number.
86125068287 is a deficient number, since it is larger than the sum of its proper divisors (4060393).
86125068287 is a wasteful number, since it uses less digits than its factorization.
86125068287 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4060392.
The product of its (nonzero) digits is 2580480, while the sum is 53.
The spelling of 86125068287 in words is "eighty-six billion, one hundred twenty-five million, sixty-eight thousand, two hundred eighty-seven".
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