Base | Representation |
---|---|
bin | 1100001100100… |
… | …11111110110101 |
3 | 21010112021220202 |
4 | 12012103332311 |
5 | 202143134010 |
6 | 14053010245 |
7 | 2351455136 |
oct | 606237665 |
9 | 233467822 |
10 | 102318005 |
11 | 52835039 |
12 | 2a323985 |
13 | 182758ca |
14 | d835c8d |
15 | 8eb16a5 |
hex | 6193fb5 |
102318005 has 8 divisors (see below), whose sum is σ = 122836824. Its totient is φ = 81817600.
The previous prime is 102317981. The next prime is 102318023. The reversal of 102318005 is 500813201.
It can be written as a sum of positive squares in 4 ways, for example, as 16459249 + 85858756 = 4057^2 + 9266^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 102318005 - 214 = 102301621 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16085 + ... + 21525.
It is an arithmetic number, because the mean of its divisors is an integer number (15354603).
Almost surely, 2102318005 is an apocalyptic number.
It is an amenable number.
102318005 is a deficient number, since it is larger than the sum of its proper divisors (20518819).
102318005 is an equidigital number, since it uses as much as digits as its factorization.
102318005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9207.
The product of its (nonzero) digits is 240, while the sum is 20.
The square root of 102318005 is about 10115.2362799887. The cubic root of 102318005 is about 467.7179324598.
The spelling of 102318005 in words is "one hundred two million, three hundred eighteen thousand, five".
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