Base | Representation |
---|---|
bin | 10001100111000000010… |
… | …111001110001010101011 |
3 | 11021200111212022222200002 |
4 | 101213000113032022223 |
5 | 124311302424413422 |
6 | 2323530203533215 |
7 | 153266505554426 |
oct | 21470027161253 |
9 | 4250455288602 |
10 | 1210113122987 |
11 | 42722a34607a |
12 | 17664052a20b |
13 | 8a161861b52 |
14 | 427d96d69bd |
15 | 21727991692 |
hex | 119c05ce2ab |
1210113122987 has 2 divisors, whose sum is σ = 1210113122988. Its totient is φ = 1210113122986.
The previous prime is 1210113122971. The next prime is 1210113123017. The reversal of 1210113122987 is 7892213110121.
It is a weak prime.
It is an emirp because it is prime and its reverse (7892213110121) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1210113122987 - 24 = 1210113122971 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1210113122987.
It is not a weakly prime, because it can be changed into another prime (1210113122927) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605056561493 + 605056561494.
It is an arithmetic number, because the mean of its divisors is an integer number (605056561494).
Almost surely, 21210113122987 is an apocalyptic number.
1210113122987 is a deficient number, since it is larger than the sum of its proper divisors (1).
1210113122987 is an equidigital number, since it uses as much as digits as its factorization.
1210113122987 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 12096, while the sum is 38.
The spelling of 1210113122987 in words is "one trillion, two hundred ten billion, one hundred thirteen million, one hundred twenty-two thousand, nine hundred eighty-seven".
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