Base | Representation |
---|---|
bin | 10001101001101101000… |
… | …110100101111011010110 |
3 | 11021221222211121200110002 |
4 | 101221231012211323112 |
5 | 124333221333102410 |
6 | 2325125532131302 |
7 | 153431356160363 |
oct | 21515506457326 |
9 | 4257884550402 |
10 | 1213011222230 |
11 | 428487236a15 |
12 | 17710b006b32 |
13 | 8a5040b8682 |
14 | 429d257546a |
15 | 218471077a5 |
hex | 11a6d1a5ed6 |
1213011222230 has 16 divisors (see below), whose sum is σ = 2189369580480. Its totient is φ = 483882404352.
The previous prime is 1213011222209. The next prime is 1213011222239. The reversal of 1213011222230 is 322221103121.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1213011222239) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165256715 + ... + 165264054.
It is an arithmetic number, because the mean of its divisors is an integer number (136835598780).
Almost surely, 21213011222230 is an apocalyptic number.
1213011222230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1213011222230 is a deficient number, since it is larger than the sum of its proper divisors (976358358250).
1213011222230 is a wasteful number, since it uses less digits than its factorization.
1213011222230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 330521143.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 1213011222230 its reverse (322221103121), we get a palindrome (1535232325351).
The spelling of 1213011222230 in words is "one trillion, two hundred thirteen billion, eleven million, two hundred twenty-two thousand, two hundred thirty".
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