Base | Representation |
---|---|
bin | 110011010100101110… |
… | …010001101110101011 |
3 | 12021020121101021222121 |
4 | 303110232101232223 |
5 | 1400330234233322 |
6 | 41152210332111 |
7 | 3660432410536 |
oct | 632456215653 |
9 | 167217337877 |
10 | 55108508587 |
11 | 2140a353180 |
12 | a81b88a037 |
13 | 5273230b82 |
14 | 294ad99a1d |
15 | 16780d1ec7 |
hex | cd4b91bab |
55108508587 has 8 divisors (see below), whose sum is σ = 61743194352. Its totient is φ = 48744626400.
The previous prime is 55108508569. The next prime is 55108508591. The reversal of 55108508587 is 78580580155.
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 55108508587 - 211 = 55108506539 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (55108508527) 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, 67700464 + ... + 67701277.
It is an arithmetic number, because the mean of its divisors is an integer number (7717899294).
Almost surely, 255108508587 is an apocalyptic number.
55108508587 is a deficient number, since it is larger than the sum of its proper divisors (6634685765).
55108508587 is a wasteful number, since it uses less digits than its factorization.
55108508587 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 135401789.
The product of its (nonzero) digits is 2240000, while the sum is 52.
The spelling of 55108508587 in words is "fifty-five billion, one hundred eight million, five hundred eight thousand, five hundred eighty-seven".
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