Base | Representation |
---|---|
bin | 11000011110111010… |
… | …01001011111111100 |
3 | 1020221001010121100010 |
4 | 30033131021133330 |
5 | 203404403414322 |
6 | 10012141503220 |
7 | 643503603222 |
oct | 141735113774 |
9 | 36831117303 |
10 | 13144201212 |
11 | 5635616a0a |
12 | 2669b71b10 |
13 | 131622036c |
14 | 8c9984b12 |
15 | 51de3820c |
hex | 30f7497fc |
13144201212 has 24 divisors (see below), whose sum is σ = 30967570816. Its totient is φ = 4338862128.
The previous prime is 13144201201. The next prime is 13144201237. The reversal of 13144201212 is 21210244131.
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, 5315998 + ... + 5318469.
Almost surely, 213144201212 is an apocalyptic number.
13144201212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13144201212 is an abundant number, since it is smaller than the sum of its proper divisors (17823369604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13144201212 is a wasteful number, since it uses less digits than its factorization.
13144201212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10634577 (or 10634575 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 21.
Adding to 13144201212 its reverse (21210244131), we get a palindrome (34354445343).
The spelling of 13144201212 in words is "thirteen billion, one hundred forty-four million, two hundred one thousand, two hundred twelve".
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