Base | Representation |
---|---|
bin | 1011011001110110000110… |
… | …0100011001111000001111 |
3 | 1122101200102211102220122121 |
4 | 2312131201210121320033 |
5 | 3120413121444021114 |
6 | 42400101421153411 |
7 | 2432613230323465 |
oct | 266354144317017 |
9 | 48350384386577 |
10 | 12538646470159 |
11 | 3aa4679061337 |
12 | 14a60a73bb867 |
13 | 6cc50a361c84 |
14 | 314c33716835 |
15 | 16b25b7c4a24 |
hex | b6761919e0f |
12538646470159 has 2 divisors, whose sum is σ = 12538646470160. Its totient is φ = 12538646470158.
The previous prime is 12538646470093. The next prime is 12538646470171. The reversal of 12538646470159 is 95107464683521.
It is a strong prime.
It is an emirp because it is prime and its reverse (95107464683521) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12538646470159 - 219 = 12538645945871 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12538646470097 and 12538646470106.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12538643470159) 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, 6269323235079 + 6269323235080.
It is an arithmetic number, because the mean of its divisors is an integer number (6269323235080).
It is a 1-persistent number, because it is pandigital, but 2⋅12538646470159 = 25077292940318 is not.
Almost surely, 212538646470159 is an apocalyptic number.
12538646470159 is a deficient number, since it is larger than the sum of its proper divisors (1).
12538646470159 is an equidigital number, since it uses as much as digits as its factorization.
12538646470159 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 43545600, while the sum is 61.
The spelling of 12538646470159 in words is "twelve trillion, five hundred thirty-eight billion, six hundred forty-six million, four hundred seventy thousand, one hundred fifty-nine".
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