Base | Representation |
---|---|
bin | 110011010110111010… |
… | …000001100101110001 |
3 | 12021100011022111110102 |
4 | 303112322001211301 |
5 | 1400414124031031 |
6 | 41155555442145 |
7 | 3661355656421 |
oct | 632672014561 |
9 | 167304274412 |
10 | 55145142641 |
11 | 21428aa4956 |
12 | a82bbb6355 |
13 | 527a9b9624 |
14 | 2951bb4481 |
15 | 167b41b7cb |
hex | cd6e81971 |
55145142641 has 2 divisors, whose sum is σ = 55145142642. Its totient is φ = 55145142640.
The previous prime is 55145142553. The next prime is 55145142653. The reversal of 55145142641 is 14624154155.
55145142641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 54709210000 + 435932641 = 233900^2 + 20879^2 .
It is a cyclic number.
It is not a de Polignac number, because 55145142641 - 210 = 55145141617 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 55145142595 and 55145142604.
It is not a weakly prime, because it can be changed into another prime (55145142671) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27572571320 + 27572571321.
It is an arithmetic number, because the mean of its divisors is an integer number (27572571321).
Almost surely, 255145142641 is an apocalyptic number.
It is an amenable number.
55145142641 is a deficient number, since it is larger than the sum of its proper divisors (1).
55145142641 is an equidigital number, since it uses as much as digits as its factorization.
55145142641 is an evil number, because the sum of its binary digits is even.
The product of its digits is 96000, while the sum is 38.
Adding to 55145142641 its reverse (14624154155), we get a palindrome (69769296796).
It can be divided in two parts, 5514514 and 2641, that added together give a palindrome (5517155).
The spelling of 55145142641 in words is "fifty-five billion, one hundred forty-five million, one hundred forty-two thousand, six hundred forty-one".
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