Base | Representation |
---|---|
bin | 1011111100010101100100… |
… | …1111011100010010010000 |
3 | 1201111022221202111011012101 |
4 | 2333011121033130102100 |
5 | 3210120210313302422 |
6 | 43532221242210144 |
7 | 2523461452311214 |
oct | 277053117342220 |
9 | 51438852434171 |
10 | 13131212244112 |
11 | 4202a08a88866 |
12 | 1580b004b3954 |
13 | 743363a50551 |
14 | 3357a84ca944 |
15 | 17b88db53c27 |
hex | bf1593dc490 |
13131212244112 has 40 divisors (see below), whose sum is σ = 25760278692000. Its totient is φ = 6483585875712.
The previous prime is 13131212244071. The next prime is 13131212244121. The reversal of 13131212244112 is 21144221213131.
13131212244112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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, 4737862 + ... + 6979237.
It is an arithmetic number, because the mean of its divisors is an integer number (644006967300).
Almost surely, 213131212244112 is an apocalyptic number.
It is an amenable number.
13131212244112 is a deficient number, since it is larger than the sum of its proper divisors (12629066447888).
13131212244112 is a wasteful number, since it uses less digits than its factorization.
13131212244112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11717983 (or 11717977 counting only the distinct ones).
The product of its digits is 2304, while the sum is 28.
Adding to 13131212244112 its reverse (21144221213131), we get a palindrome (34275433457243).
The spelling of 13131212244112 in words is "thirteen trillion, one hundred thirty-one billion, two hundred twelve million, two hundred forty-four thousand, one hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •