Base | Representation |
---|---|
bin | 110010011010110011… |
… | …101111100110101001 |
3 | 12011201220001121000101 |
4 | 302122303233212221 |
5 | 1341333014110040 |
6 | 40511540505401 |
7 | 3624363513151 |
oct | 623263574651 |
9 | 164656047011 |
10 | 54136863145 |
11 | 20a60936612 |
12 | a5aa3ab261 |
13 | 5149b40a41 |
14 | 2897d0d761 |
15 | 161cb5209a |
hex | c9acef9a9 |
54136863145 has 16 divisors (see below), whose sum is σ = 66334905360. Its totient is φ = 42404373504.
The previous prime is 54136863061. The next prime is 54136863149.
54136863145 is nontrivially palindromic in base 10.
It can be written as a sum of positive squares in 8 ways, for example, as 2486119321 + 51650743824 = 49861^2 + 227268^2 .
It is a cyclic number.
It is not a de Polignac number, because 54136863145 - 27 = 54136863017 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 54136863095 and 54136863104.
It is not an unprimeable number, because it can be changed into a prime (54136863149) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 491310 + ... + 591319.
It is an arithmetic number, because the mean of its divisors is an integer number (4145931585).
Almost surely, 254136863145 is an apocalyptic number.
It is an amenable number.
54136863145 is a deficient number, since it is larger than the sum of its proper divisors (12198042215).
54136863145 is a wasteful number, since it uses less digits than its factorization.
54136863145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1082844.
The product of its digits is 1036800, while the sum is 46.
The spelling of 54136863145 in words is "fifty-four billion, one hundred thirty-six million, eight hundred sixty-three thousand, one hundred forty-five".
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