Base | Representation |
---|---|
bin | 11001001100111100… |
… | …11111101111101101 |
3 | 1021220221220002020112 |
4 | 30212132133233231 |
5 | 210202242233240 |
6 | 10114340025405 |
7 | 656203522040 |
oct | 144636375755 |
9 | 37827802215 |
10 | 13530430445 |
11 | 5813636724 |
12 | 2757392265 |
13 | 137824c97c |
14 | 924da2c57 |
15 | 542ccb665 |
hex | 32679fbed |
13530430445 has 16 divisors (see below), whose sum is σ = 18568859520. Its totient is φ = 9271589184.
The previous prime is 13530430429. The next prime is 13530430451. The reversal of 13530430445 is 54403403531.
It is a cyclic number.
It is not a de Polignac number, because 13530430445 - 24 = 13530430429 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82175 + ... + 183884.
It is an arithmetic number, because the mean of its divisors is an integer number (1160553720).
Almost surely, 213530430445 is an apocalyptic number.
It is an amenable number.
13530430445 is a deficient number, since it is larger than the sum of its proper divisors (5038429075).
13530430445 is a wasteful number, since it uses less digits than its factorization.
13530430445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 267524.
The product of its (nonzero) digits is 43200, while the sum is 32.
Adding to 13530430445 its reverse (54403403531), we get a palindrome (67933833976).
The spelling of 13530430445 in words is "thirteen billion, five hundred thirty million, four hundred thirty thousand, four hundred forty-five".
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