Base | Representation |
---|---|
bin | 111111101110100110… |
… | …1011101110110010001 |
3 | 111002020200100121022122 |
4 | 1333131031131312101 |
5 | 4220234422443131 |
6 | 142512003344025 |
7 | 12613254460313 |
oct | 1773515356621 |
9 | 432220317278 |
10 | 136855281041 |
11 | 53049269256 |
12 | 22634682015 |
13 | cba020a54b |
14 | 68a3b137b3 |
15 | 385eae2d7b |
hex | 1fdd35dd91 |
136855281041 has 2 divisors, whose sum is σ = 136855281042. Its totient is φ = 136855281040.
The previous prime is 136855281011. The next prime is 136855281049. The reversal of 136855281041 is 140182558631.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 81284290816 + 55570990225 = 285104^2 + 235735^2 .
It is an emirp because it is prime and its reverse (140182558631) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 136855281041 - 26 = 136855280977 is a prime.
It is a super-2 number, since 2×1368552810412 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 136855280983 and 136855281001.
It is not a weakly prime, because it can be changed into another prime (136855281049) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68427640520 + 68427640521.
It is an arithmetic number, because the mean of its divisors is an integer number (68427640521).
Almost surely, 2136855281041 is an apocalyptic number.
It is an amenable number.
136855281041 is a deficient number, since it is larger than the sum of its proper divisors (1).
136855281041 is an equidigital number, since it uses as much as digits as its factorization.
136855281041 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 230400, while the sum is 44.
The spelling of 136855281041 in words is "one hundred thirty-six billion, eight hundred fifty-five million, two hundred eighty-one thousand, forty-one".
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