Base | Representation |
---|---|
bin | 110010111001101100… |
… | …011011101010010001 |
3 | 12020002000002201020010 |
4 | 302321230123222101 |
5 | 1343413142241040 |
6 | 41035211105133 |
7 | 3643255114236 |
oct | 627154335221 |
9 | 166060081203 |
10 | 54655040145 |
11 | 211a7388672 |
12 | a713a421a9 |
13 | 52002bb554 |
14 | 2906a7778d |
15 | 164d3aae80 |
hex | cb9b1ba91 |
54655040145 has 16 divisors (see below), whose sum is σ = 87661883520. Its totient is φ = 29078081664.
The previous prime is 54655040131. The next prime is 54655040149. The reversal of 54655040145 is 54104055645.
It is not a de Polignac number, because 54655040145 - 25 = 54655040113 is a prime.
It is not an unprimeable number, because it can be changed into a prime (54655040149) 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 in 15 ways as a sum of consecutive naturals, for example, 4448229 + ... + 4460498.
It is an arithmetic number, because the mean of its divisors is an integer number (5478867720).
Almost surely, 254655040145 is an apocalyptic number.
It is an amenable number.
54655040145 is a deficient number, since it is larger than the sum of its proper divisors (33006843375).
54655040145 is a wasteful number, since it uses less digits than its factorization.
54655040145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8909144.
The product of its (nonzero) digits is 240000, while the sum is 39.
The spelling of 54655040145 in words is "fifty-four billion, six hundred fifty-five million, forty thousand, one hundred forty-five".
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