Base | Representation |
---|---|
bin | 11001011010101100… |
… | …00011000010111101 |
3 | 1022012222201011100001 |
4 | 30231112003002331 |
5 | 210421242000003 |
6 | 10134013434301 |
7 | 662103110245 |
oct | 145526030275 |
9 | 38188634301 |
10 | 13645656253 |
11 | 5872687569 |
12 | 2789a9b991 |
13 | 1396094818 |
14 | 9363d8b25 |
15 | 54ce8c61d |
hex | 32d5830bd |
13645656253 has 2 divisors, whose sum is σ = 13645656254. Its totient is φ = 13645656252.
The previous prime is 13645656239. The next prime is 13645656257. The reversal of 13645656253 is 35265654631.
13645656253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 7632119044 + 6013537209 = 87362^2 + 77547^2 .
It is a cyclic number.
It is not a de Polignac number, because 13645656253 - 213 = 13645648061 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13645656257) 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 as a sum of consecutive naturals, namely, 6822828126 + 6822828127.
It is an arithmetic number, because the mean of its divisors is an integer number (6822828127).
Almost surely, 213645656253 is an apocalyptic number.
It is an amenable number.
13645656253 is a deficient number, since it is larger than the sum of its proper divisors (1).
13645656253 is an equidigital number, since it uses as much as digits as its factorization.
13645656253 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1944000, while the sum is 46.
The spelling of 13645656253 in words is "thirteen billion, six hundred forty-five million, six hundred fifty-six thousand, two hundred fifty-three".
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