Base | Representation |
---|---|
bin | 11001011011011… |
… | …10010111111011 |
3 | 112212101102110012 |
4 | 30231232113323 |
5 | 414102004034 |
6 | 33100012135 |
7 | 5200062563 |
oct | 1455562773 |
9 | 485342405 |
10 | 213313019 |
11 | aa456257 |
12 | 5b53104b |
13 | 35268b2a |
14 | 20489da3 |
15 | 13ad8cce |
hex | cb6e5fb |
213313019 has 16 divisors (see below), whose sum is σ = 228000000. Its totient is φ = 199000800.
The previous prime is 213313007. The next prime is 213313021. The reversal of 213313019 is 910313312.
It is a cyclic number.
It is not a de Polignac number, because 213313019 - 28 = 213312763 is a prime.
It is a super-2 number, since 2×2133130192 = 91004888149788722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 213312985 and 213313003.
It is not an unprimeable number, because it can be changed into a prime (213313049) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427232 + ... + 427730.
It is an arithmetic number, because the mean of its divisors is an integer number (14250000).
Almost surely, 2213313019 is an apocalyptic number.
213313019 is a deficient number, since it is larger than the sum of its proper divisors (14686981).
213313019 is a wasteful number, since it uses less digits than its factorization.
213313019 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 818.
The product of its (nonzero) digits is 486, while the sum is 23.
The square root of 213313019 is about 14605.2394365858. The cubic root of 213313019 is about 597.5016662827.
The spelling of 213313019 in words is "two hundred thirteen million, three hundred thirteen thousand, nineteen".
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