Base | Representation |
---|---|
bin | 11001011001000… |
… | …10000000011011 |
3 | 112211210112101000 |
4 | 30230202000123 |
5 | 414012001334 |
6 | 33045200043 |
7 | 5164320615 |
oct | 1454420033 |
9 | 484715330 |
10 | 213000219 |
11 | aa262243 |
12 | 5b400023 |
13 | 35189643 |
14 | 20407db5 |
15 | 13a76299 |
hex | cb2201b |
213000219 has 16 divisors (see below), whose sum is σ = 316218240. Its totient is φ = 141702120.
The previous prime is 213000211. The next prime is 213000239. The reversal of 213000219 is 912000312.
It is a happy number.
It is not a de Polignac number, because 213000219 - 23 = 213000211 is a prime.
It is a super-2 number, since 2×2130002192 = 90738186588095922, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (213000211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5224 + ... + 21290.
It is an arithmetic number, because the mean of its divisors is an integer number (19763640).
Almost surely, 2213000219 is an apocalyptic number.
213000219 is a deficient number, since it is larger than the sum of its proper divisors (103218021).
213000219 is a wasteful number, since it uses less digits than its factorization.
213000219 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16567 (or 16561 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
The square root of 213000219 is about 14594.5270221409. The cubic root of 213000219 is about 597.2094666599.
The spelling of 213000219 in words is "two hundred thirteen million, two hundred nineteen", and thus it is an aban number.
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