Base | Representation |
---|---|
bin | 110011010001001010… |
… | …000101010010010001 |
3 | 12021002102211010122101 |
4 | 303101022011102101 |
5 | 1400214431020120 |
6 | 41142232240401 |
7 | 3656105064016 |
oct | 632112052221 |
9 | 167072733571 |
10 | 55048688785 |
11 | 21389605722 |
12 | a803840101 |
13 | 5263a17c3c |
14 | 294306770d |
15 | 1672c1790a |
hex | cd1285491 |
55048688785 has 8 divisors (see below), whose sum is σ = 66112713576. Its totient is φ = 44002759680.
The previous prime is 55048688741. The next prime is 55048688791. The reversal of 55048688785 is 58788684055.
It can be written as a sum of positive squares in 4 ways, for example, as 3831114816 + 51217573969 = 61896^2 + 226313^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 55048688785 - 29 = 55048688273 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4517226 + ... + 4529395.
It is an arithmetic number, because the mean of its divisors is an integer number (8264089197).
Almost surely, 255048688785 is an apocalyptic number.
It is an amenable number.
55048688785 is a deficient number, since it is larger than the sum of its proper divisors (11064024791).
55048688785 is a wasteful number, since it uses less digits than its factorization.
55048688785 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9047843.
The product of its (nonzero) digits is 86016000, while the sum is 64.
The spelling of 55048688785 in words is "fifty-five billion, forty-eight million, six hundred eighty-eight thousand, seven hundred eighty-five".
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