Base | Representation |
---|---|
bin | 100100101010000… |
… | …0101100000100100 |
3 | 10011201110120211111 |
4 | 1021110011200210 |
5 | 10004340032322 |
6 | 322015114404 |
7 | 42323563165 |
oct | 11124054044 |
9 | 3151416744 |
10 | 1230002212 |
11 | 58133895a |
12 | 2a3b12a04 |
13 | 167a9a47a |
14 | b94dd76c |
15 | 72eb5177 |
hex | 49505824 |
1230002212 has 6 divisors (see below), whose sum is σ = 2152503878. Its totient is φ = 615001104.
The previous prime is 1230002203. The next prime is 1230002219. The reversal of 1230002212 is 2122000321.
It can be written as a sum of positive squares in only one way, i.e., 908660736 + 321341476 = 30144^2 + 17926^2 .
It is a junction number, because it is equal to n+sod(n) for n = 1230002192 and 1230002201.
It is not an unprimeable number, because it can be changed into a prime (1230002219) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153750273 + ... + 153750280.
Almost surely, 21230002212 is an apocalyptic number.
It is an amenable number.
1230002212 is a deficient number, since it is larger than the sum of its proper divisors (922501666).
1230002212 is a wasteful number, since it uses less digits than its factorization.
1230002212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 307500557 (or 307500555 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 1230002212 is about 35071.3873691931. The cubic root of 1230002212 is about 1071.4419119744.
Adding to 1230002212 its reverse (2122000321), we get a palindrome (3352002533).
The spelling of 1230002212 in words is "one billion, two hundred thirty million, two thousand, two hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •