Base | Representation |
---|---|
bin | 110010010101101100… |
… | …110000110110101101 |
3 | 12011111220202202211001 |
4 | 302111230300312231 |
5 | 1341144043202211 |
6 | 40455235400301 |
7 | 3622303112323 |
oct | 622554606655 |
9 | 164456682731 |
10 | 54051147181 |
11 | 20a17510979 |
12 | a585753091 |
13 | 513515ba35 |
14 | 288a799d13 |
15 | 161536eac1 |
hex | c95b30dad |
54051147181 has 2 divisors, whose sum is σ = 54051147182. Its totient is φ = 54051147180.
The previous prime is 54051147133. The next prime is 54051147191. The reversal of 54051147181 is 18174115045.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 44575876900 + 9475270281 = 211130^2 + 97341^2 .
It is a cyclic number.
It is not a de Polignac number, because 54051147181 - 219 = 54050622893 is a prime.
It is a super-2 number, since 2×540511471812 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 54051147181.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (54051147191) 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, 27025573590 + 27025573591.
It is an arithmetic number, because the mean of its divisors is an integer number (27025573591).
Almost surely, 254051147181 is an apocalyptic number.
It is an amenable number.
54051147181 is a deficient number, since it is larger than the sum of its proper divisors (1).
54051147181 is an equidigital number, since it uses as much as digits as its factorization.
54051147181 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 22400, while the sum is 37.
The spelling of 54051147181 in words is "fifty-four billion, fifty-one million, one hundred forty-seven thousand, one hundred eighty-one".
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