Base | Representation |
---|---|
bin | 110010101001010001… |
… | …100101110101101001 |
3 | 12012100210202022011012 |
4 | 302221101211311221 |
5 | 1342332132142424 |
6 | 40552010513305 |
7 | 3633401464001 |
oct | 625121456551 |
9 | 165323668135 |
10 | 54379568489 |
11 | 21075937744 |
12 | a657735835 |
13 | 51881cb07c |
14 | 28bc24b001 |
15 | 16340e4b0e |
hex | ca9465d69 |
54379568489 has 2 divisors, whose sum is σ = 54379568490. Its totient is φ = 54379568488.
The previous prime is 54379568423. The next prime is 54379568497. The reversal of 54379568489 is 98486597345.
54379568489 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., 52139155600 + 2240412889 = 228340^2 + 47333^2 .
It is a cyclic number.
It is not a de Polignac number, because 54379568489 - 28 = 54379568233 is a prime.
It is not a weakly prime, because it can be changed into another prime (54379568389) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27189784244 + 27189784245.
It is an arithmetic number, because the mean of its divisors is an integer number (27189784245).
Almost surely, 254379568489 is an apocalyptic number.
It is an amenable number.
54379568489 is a deficient number, since it is larger than the sum of its proper divisors (1).
54379568489 is an equidigital number, since it uses as much as digits as its factorization.
54379568489 is an evil number, because the sum of its binary digits is even.
The product of its digits is 261273600, while the sum is 68.
It can be divided in two parts, 5437956 and 8489, that added together give a palindrome (5446445).
The spelling of 54379568489 in words is "fifty-four billion, three hundred seventy-nine million, five hundred sixty-eight thousand, four hundred eighty-nine".
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