Base | Representation |
---|---|
bin | 10110100010101101… |
… | …01010010000110100 |
3 | 1011020102122012102021 |
4 | 23101112222100310 |
5 | 144241143004022 |
6 | 5320522322524 |
7 | 605622651256 |
oct | 132126522064 |
9 | 34212565367 |
10 | 12102313012 |
11 | 5150492989 |
12 | 2419059444 |
13 | 11ab40807a |
14 | 82b451cd6 |
15 | 4ac7307c7 |
hex | 2d15aa434 |
12102313012 has 6 divisors (see below), whose sum is σ = 21179047778. Its totient is φ = 6051156504.
The previous prime is 12102313009. The next prime is 12102313019. The reversal of 12102313012 is 21031320121.
It can be written as a sum of positive squares in only one way, i.e., 9936899856 + 2165413156 = 99684^2 + 46534^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12102313019) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1512789123 + ... + 1512789130.
Almost surely, 212102313012 is an apocalyptic number.
It is an amenable number.
12102313012 is a deficient number, since it is larger than the sum of its proper divisors (9076734766).
12102313012 is a wasteful number, since it uses less digits than its factorization.
12102313012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3025578257 (or 3025578255 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 12102313012 its reverse (21031320121), we get a palindrome (33133633133).
The spelling of 12102313012 in words is "twelve billion, one hundred two million, three hundred thirteen thousand, twelve".
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