Base | Representation |
---|---|
bin | 11000100111101000010000… |
… | …11111001111111010110101 |
3 | 21002200120011121021022102212 |
4 | 30103310020133033322311 |
5 | 24044000021011103402 |
6 | 311050425331543205 |
7 | 14255233123143053 |
oct | 1423641037177265 |
9 | 232616147238385 |
10 | 54138205175477 |
11 | 1628297a494645 |
12 | 60a441b45ab05 |
13 | 24292982b3247 |
14 | d52435a491d3 |
15 | 63d3d3ea6952 |
hex | 313d087cfeb5 |
54138205175477 has 8 divisors (see below), whose sum is σ = 54510707950776. Its totient is φ = 53766689163712.
The previous prime is 54138205175443. The next prime is 54138205175533. The reversal of 54138205175477 is 77457150283145.
It can be written as a sum of positive squares in 4 ways, for example, as 3976809709636 + 50161395465841 = 1994194^2 + 7082471^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 54138205175477 - 218 = 54138204913333 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54138205175377) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246580778 + ... + 246800235.
It is an arithmetic number, because the mean of its divisors is an integer number (6813838493847).
Almost surely, 254138205175477 is an apocalyptic number.
It is an amenable number.
54138205175477 is a deficient number, since it is larger than the sum of its proper divisors (372502775299).
54138205175477 is a wasteful number, since it uses less digits than its factorization.
54138205175477 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 493381767.
The product of its (nonzero) digits is 32928000, while the sum is 59.
The spelling of 54138205175477 in words is "fifty-four trillion, one hundred thirty-eight billion, two hundred five million, one hundred seventy-five thousand, four hundred seventy-seven".
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