Base | Representation |
---|---|
bin | 11101110101011001000111… |
… | …000001010001110000011100 |
3 | 122012120210020201022022112201 |
4 | 131311121013001101300130 |
5 | 114144241040224110022 |
6 | 1143022055222341244 |
7 | 36431533433146405 |
oct | 3565310701216034 |
9 | 565523221268481 |
10 | 131212442410012 |
11 | 388989800480a7 |
12 | 12871a2558a824 |
13 | 582a384874782 |
14 | 2458a04d889ac |
15 | 102820b794127 |
hex | 775647051c1c |
131212442410012 has 24 divisors (see below), whose sum is σ = 233295057160704. Its totient is φ = 64558779795312.
The previous prime is 131212442409977. The next prime is 131212442410013. The reversal of 131212442410012 is 210014244212131.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131212442410013) 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, 258246028 + ... + 258753619.
It is an arithmetic number, because the mean of its divisors is an integer number (9720627381696).
Almost surely, 2131212442410012 is an apocalyptic number.
It is an amenable number.
131212442410012 is a deficient number, since it is larger than the sum of its proper divisors (102082614750692).
131212442410012 is a wasteful number, since it uses less digits than its factorization.
131212442410012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 517000665 (or 517000663 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 28.
Adding to 131212442410012 its reverse (210014244212131), we get a palindrome (341226686622143).
The spelling of 131212442410012 in words is "one hundred thirty-one trillion, two hundred twelve billion, four hundred forty-two million, four hundred ten thousand, twelve".
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