Base | Representation |
---|---|
bin | 11101110011110… |
… | …011110110101101 |
3 | 1021212001210001012 |
4 | 131303303312231 |
5 | 2011012333010 |
6 | 121343155005 |
7 | 15251646506 |
oct | 3563636655 |
9 | 1255053035 |
10 | 500121005 |
11 | 23733a34a |
12 | 11b5a5a65 |
13 | 7c7c81b7 |
14 | 4a5c7bad |
15 | 2dd8e005 |
hex | 1dcf3dad |
500121005 has 12 divisors (see below), whose sum is σ = 610167636. Its totient is φ = 393523200.
The previous prime is 500120989. The next prime is 500121023.
500121005 is nontrivially palindromic in base 10.
It can be written as a sum of positive squares in 6 ways, for example, as 127283524 + 372837481 = 11282^2 + 19309^2 .
It is not a de Polignac number, because 500121005 - 24 = 500120989 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5165 + ... + 32045.
It is an arithmetic number, because the mean of its divisors is an integer number (50847303).
Almost surely, 2500121005 is an apocalyptic number.
It is an amenable number.
500121005 is a deficient number, since it is larger than the sum of its proper divisors (110046631).
500121005 is an equidigital number, since it uses as much as digits as its factorization.
500121005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27008 (or 26947 counting only the distinct ones).
The product of its (nonzero) digits is 50, while the sum is 14.
The square root of 500121005 is about 22363.3853653690. The cubic root of 500121005 is about 793.7645486411.
The spelling of 500121005 in words is "five hundred million, one hundred twenty-one thousand, five".
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