Base | Representation |
---|---|
bin | 11000101011010011… |
… | …11110000100001101 |
3 | 1021012021212120220100 |
4 | 30111221332010031 |
5 | 204113021204144 |
6 | 10030335241313 |
7 | 646206026166 |
oct | 142551760415 |
9 | 37167776810 |
10 | 13248225549 |
11 | 5689306a39 |
12 | 2698979239 |
13 | 1331942820 |
14 | 8d970276d |
15 | 528135269 |
hex | 315a7e10d |
13248225549 has 12 divisors (see below), whose sum is σ = 20608351036. Its totient is φ = 8152754112.
The previous prime is 13248225541. The next prime is 13248225577. The reversal of 13248225549 is 94552284231.
13248225549 is a `hidden beast` number, since 1 + 3 + 2 + 4 + 82 + 25 + 549 = 666.
13248225549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 729972324 + 12518253225 = 27018^2 + 111885^2 .
It is not a de Polignac number, because 13248225549 - 23 = 13248225541 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13248225541) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56616232 + ... + 56616465.
Almost surely, 213248225549 is an apocalyptic number.
It is an amenable number.
13248225549 is a deficient number, since it is larger than the sum of its proper divisors (7360125487).
13248225549 is a wasteful number, since it uses less digits than its factorization.
13248225549 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 113232716 (or 113232713 counting only the distinct ones).
The product of its digits is 691200, while the sum is 45.
The spelling of 13248225549 in words is "thirteen billion, two hundred forty-eight million, two hundred twenty-five thousand, five hundred forty-nine".
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