Base | Representation |
---|---|
bin | 110010110100111011… |
… | …010100000100101101 |
3 | 12012212102121001102212 |
4 | 302310323110010231 |
5 | 1343232203231044 |
6 | 41023232500205 |
7 | 3641264212646 |
oct | 626473240455 |
9 | 165772531385 |
10 | 54575055149 |
11 | 2116621776a |
12 | a6b10aa665 |
13 | 51b9864c54 |
14 | 28da1b66cd |
15 | 164635ba9e |
hex | cb4ed412d |
54575055149 has 4 divisors (see below), whose sum is σ = 54598211964. Its totient is φ = 54551898336.
The previous prime is 54575055133. The next prime is 54575055169. The reversal of 54575055149 is 94155057545.
54575055149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 25974157225 + 28600897924 = 161165^2 + 169118^2 .
It is a cyclic number.
It is not a de Polignac number, because 54575055149 - 24 = 54575055133 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 54575055097 and 54575055106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54575055169) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11574872 + ... + 11579585.
It is an arithmetic number, because the mean of its divisors is an integer number (13649552991).
Almost surely, 254575055149 is an apocalyptic number.
It is an amenable number.
54575055149 is a deficient number, since it is larger than the sum of its proper divisors (23156815).
54575055149 is a wasteful number, since it uses less digits than its factorization.
54575055149 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23156814.
The product of its (nonzero) digits is 3150000, while the sum is 50.
The spelling of 54575055149 in words is "fifty-four billion, five hundred seventy-five million, fifty-five thousand, one hundred forty-nine".
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