Base | Representation |
---|---|
bin | 10111010011011110… |
… | …11111100110101011 |
3 | 1012021221112211201011 |
4 | 23221233133212223 |
5 | 201110414214024 |
6 | 5425300204351 |
7 | 622021535551 |
oct | 135157374653 |
9 | 35257484634 |
10 | 12511476139 |
11 | 5340447228 |
12 | 25120996b7 |
13 | 1245107326 |
14 | 86991dbd1 |
15 | 4d3604094 |
hex | 2e9bdf9ab |
12511476139 has 2 divisors, whose sum is σ = 12511476140. Its totient is φ = 12511476138.
The previous prime is 12511476113. The next prime is 12511476151. The reversal of 12511476139 is 93167411521.
It is a strong prime.
It is an emirp because it is prime and its reverse (93167411521) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12511476139 - 211 = 12511474091 is a prime.
It is not a weakly prime, because it can be changed into another prime (12511476169) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6255738069 + 6255738070.
It is an arithmetic number, because the mean of its divisors is an integer number (6255738070).
Almost surely, 212511476139 is an apocalyptic number.
12511476139 is a deficient number, since it is larger than the sum of its proper divisors (1).
12511476139 is an equidigital number, since it uses as much as digits as its factorization.
12511476139 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 45360, while the sum is 40.
The spelling of 12511476139 in words is "twelve billion, five hundred eleven million, four hundred seventy-six thousand, one hundred thirty-nine".
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