Base | Representation |
---|---|
bin | 1011101110000001101001… |
… | …0010101010001101000111 |
3 | 1200121211022201002210011101 |
4 | 2323200122102222031013 |
5 | 3142103140301041304 |
6 | 43223240030520531 |
7 | 2466635545151653 |
oct | 273403222521507 |
9 | 50554281083141 |
10 | 12885342987079 |
11 | 4118709217982 |
12 | 1541323366147 |
13 | 72610c6cba84 |
14 | 327922543a63 |
15 | 17529d7d88a4 |
hex | bb81a4aa347 |
12885342987079 has 2 divisors, whose sum is σ = 12885342987080. Its totient is φ = 12885342987078.
The previous prime is 12885342987067. The next prime is 12885342987103. The reversal of 12885342987079 is 97078924358821.
It is a weak prime.
It is an emirp because it is prime and its reverse (97078924358821) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12885342987079 - 229 = 12884806116167 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12885342987029) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6442671493539 + 6442671493540.
It is an arithmetic number, because the mean of its divisors is an integer number (6442671493540).
Almost surely, 212885342987079 is an apocalyptic number.
12885342987079 is a deficient number, since it is larger than the sum of its proper divisors (1).
12885342987079 is an equidigital number, since it uses as much as digits as its factorization.
12885342987079 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 487710720, while the sum is 73.
The spelling of 12885342987079 in words is "twelve trillion, eight hundred eighty-five billion, three hundred forty-two million, nine hundred eighty-seven thousand, seventy-nine".
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