Base | Representation |
---|---|
bin | 1011110011111110001001… |
… | …1100000110110000111111 |
3 | 1200222120222011121111111021 |
4 | 2330333202130012300333 |
5 | 3200241332144414432 |
6 | 43342211320005011 |
7 | 2510212663230103 |
oct | 274774234066077 |
9 | 50876864544437 |
10 | 12987485154367 |
11 | 4157a63871a69 |
12 | 155908a600767 |
13 | 732939c71509 |
14 | 32c851ca9903 |
15 | 177c7ab19697 |
hex | bcfe2706c3f |
12987485154367 has 2 divisors, whose sum is σ = 12987485154368. Its totient is φ = 12987485154366.
The previous prime is 12987485154349. The next prime is 12987485154431. The reversal of 12987485154367 is 76345158478921.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12987485154367 - 219 = 12987484630079 is a prime.
It is a super-4 number, since 4×129874851543674 (a number of 54 digits) contains 4444 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12987485154296 and 12987485154305.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12987485154967) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6493742577183 + 6493742577184.
It is an arithmetic number, because the mean of its divisors is an integer number (6493742577184).
Almost surely, 212987485154367 is an apocalyptic number.
12987485154367 is a deficient number, since it is larger than the sum of its proper divisors (1).
12987485154367 is an equidigital number, since it uses as much as digits as its factorization.
12987485154367 is an evil number, because the sum of its binary digits is even.
The product of its digits is 406425600, while the sum is 70.
The spelling of 12987485154367 in words is "twelve trillion, nine hundred eighty-seven billion, four hundred eighty-five million, one hundred fifty-four thousand, three hundred sixty-seven".
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