Base | Representation |
---|---|
bin | 11000101001001001… |
… | …11010000011110011 |
3 | 1021011000210210102000 |
4 | 30110210322003303 |
5 | 204043402334303 |
6 | 10024451225043 |
7 | 645566113635 |
oct | 142444720363 |
9 | 37130723360 |
10 | 13230121203 |
11 | 567a070972 |
12 | 26928a8183 |
13 | 132ac741b0 |
14 | 8d714ca55 |
15 | 52675ada3 |
hex | 31493a0f3 |
13230121203 has 64 divisors (see below), whose sum is σ = 22563394560. Its totient is φ = 7597497600.
The previous prime is 13230121171. The next prime is 13230121217. The reversal of 13230121203 is 30212103231.
It is not a de Polignac number, because 13230121203 - 25 = 13230121171 is a prime.
It is a super-3 number, since 3×132301212033 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (13230121253) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 311008 + ... + 350978.
It is an arithmetic number, because the mean of its divisors is an integer number (352553040).
Almost surely, 213230121203 is an apocalyptic number.
13230121203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
13230121203 is a deficient number, since it is larger than the sum of its proper divisors (9333273357).
13230121203 is a wasteful number, since it uses less digits than its factorization.
13230121203 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40057 (or 40051 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 13230121203 its reverse (30212103231), we get a palindrome (43442224434).
The spelling of 13230121203 in words is "thirteen billion, two hundred thirty million, one hundred twenty-one thousand, two hundred three".
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