Base | Representation |
---|---|
bin | 100100101010000… |
… | …0101000001010100 |
3 | 10011201110111002102 |
4 | 1021110011001110 |
5 | 10004340001322 |
6 | 322015101232 |
7 | 42323554310 |
oct | 11124050124 |
9 | 3151414072 |
10 | 1230000212 |
11 | 581337401 |
12 | 2a3b11818 |
13 | 167a9959c |
14 | b94dcb40 |
15 | 72eb4792 |
hex | 49505054 |
1230000212 has 24 divisors (see below), whose sum is σ = 2462040000. Its totient is φ = 526705920.
The previous prime is 1230000209. The next prime is 1230000223. The reversal of 1230000212 is 2120000321.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 1230000193 and 1230000202.
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, 17387 + ... + 52557.
It is an arithmetic number, because the mean of its divisors is an integer number (102585000).
Almost surely, 21230000212 is an apocalyptic number.
It is an amenable number.
1230000212 is an abundant number, since it is smaller than the sum of its proper divisors (1232039788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1230000212 is a wasteful number, since it uses less digits than its factorization.
1230000212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36431 (or 36429 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 11.
The square root of 1230000212 is about 35071.3588559098. The cubic root of 1230000212 is about 1071.4413312478.
Adding to 1230000212 its reverse (2120000321), we get a palindrome (3350000533).
The spelling of 1230000212 in words is "one billion, two hundred thirty million, two hundred twelve", and thus it is an aban number.
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