Base | Representation |
---|---|
bin | 101000000011101101… |
… | …0000110110101100101 |
3 | 22020001010122012012002 |
4 | 1100013122012311211 |
5 | 2402134022131211 |
6 | 103304012535045 |
7 | 6133513535426 |
oct | 1200732066545 |
9 | 266033565162 |
10 | 86023630181 |
11 | 33534107645 |
12 | 14809181485 |
13 | 815c085428 |
14 | 4240b7964d |
15 | 238722303b |
hex | 1407686d65 |
86023630181 has 4 divisors (see below), whose sum is σ = 86034946272. Its totient is φ = 86012314092.
The previous prime is 86023630171. The next prime is 86023630183. The reversal of 86023630181 is 18103632068.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-86023630181 is a prime.
It is a super-2 number, since 2×860236301812 (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 (86023630183) 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 3 ways as a sum of consecutive naturals, for example, 5646635 + ... + 5661848.
It is an arithmetic number, because the mean of its divisors is an integer number (21508736568).
Almost surely, 286023630181 is an apocalyptic number.
It is an amenable number.
86023630181 is a deficient number, since it is larger than the sum of its proper divisors (11316091).
86023630181 is a wasteful number, since it uses less digits than its factorization.
86023630181 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11316090.
The product of its (nonzero) digits is 41472, while the sum is 38.
The spelling of 86023630181 in words is "eighty-six billion, twenty-three million, six hundred thirty thousand, one hundred eighty-one".
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