Base | Representation |
---|---|
bin | 11001001001111111… |
… | …00110011011100001 |
3 | 1021212020002020101002 |
4 | 30210333212123201 |
5 | 210124410213040 |
6 | 10112050521345 |
7 | 655452213266 |
oct | 144477463341 |
9 | 37766066332 |
10 | 13505554145 |
11 | 58005957a6 |
12 | 274ab96255 |
13 | 137304cb75 |
14 | 92196926d |
15 | 540a15a15 |
hex | 324fe66e1 |
13505554145 has 8 divisors (see below), whose sum is σ = 16448555904. Its totient is φ = 10643182704.
The previous prime is 13505554133. The next prime is 13505554177. The reversal of 13505554145 is 54145550531.
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 13505554145 - 28 = 13505553889 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13505554099 and 13505554108.
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, 20157209 + ... + 20157878.
It is an arithmetic number, because the mean of its divisors is an integer number (2056069488).
Almost surely, 213505554145 is an apocalyptic number.
It is an amenable number.
13505554145 is a deficient number, since it is larger than the sum of its proper divisors (2943001759).
13505554145 is an equidigital number, since it uses as much as digits as its factorization.
13505554145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40315159.
The product of its (nonzero) digits is 150000, while the sum is 38.
The spelling of 13505554145 in words is "thirteen billion, five hundred five million, five hundred fifty-four thousand, one hundred forty-five".
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