Base | Representation |
---|---|
bin | 11001001101000010… |
… | …10000101111111111 |
3 | 1021221000020220202202 |
4 | 30212201100233333 |
5 | 210202433433310 |
6 | 10114403342115 |
7 | 656212631546 |
oct | 144641205777 |
9 | 37830226682 |
10 | 13531155455 |
11 | 5813a91404 |
12 | 275768193b |
13 | 137844497c |
14 | 92511115d |
15 | 542dc13a5 |
hex | 326850bff |
13531155455 has 8 divisors (see below), whose sum is σ = 16278289152. Its totient is φ = 10797655968.
The previous prime is 13531155433. The next prime is 13531155487. The reversal of 13531155455 is 55455113531.
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 13531155455 - 214 = 13531139071 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3406367 + ... + 3410336.
It is an arithmetic number, because the mean of its divisors is an integer number (2034786144).
Almost surely, 213531155455 is an apocalyptic number.
13531155455 is a deficient number, since it is larger than the sum of its proper divisors (2747133697).
13531155455 is an equidigital number, since it uses as much as digits as its factorization.
13531155455 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6817105.
The product of its digits is 112500, while the sum is 38.
Adding to 13531155455 its reverse (55455113531), we get a palindrome (68986268986).
The spelling of 13531155455 in words is "thirteen billion, five hundred thirty-one million, one hundred fifty-five thousand, four hundred fifty-five".
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