Base | Representation |
---|---|
bin | 1101010011101011… |
… | …10101101001111001 |
3 | 200102220111122202222 |
4 | 12221311311221321 |
5 | 104112433231301 |
6 | 3140533533425 |
7 | 342021440366 |
oct | 65165655171 |
9 | 20386448688 |
10 | 7144430201 |
11 | 3036932177 |
12 | 14747a4275 |
13 | 89b2048bc |
14 | 4babd546d |
15 | 2bc34831b |
hex | 1a9d75a79 |
7144430201 has 2 divisors, whose sum is σ = 7144430202. Its totient is φ = 7144430200.
The previous prime is 7144430099. The next prime is 7144430207. The reversal of 7144430201 is 1020344417.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 5092249600 + 2052180601 = 71360^2 + 45301^2 .
It is an emirp because it is prime and its reverse (1020344417) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-7144430201 is a prime.
It is not a weakly prime, because it can be changed into another prime (7144430207) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3572215100 + 3572215101.
It is an arithmetic number, because the mean of its divisors is an integer number (3572215101).
Almost surely, 27144430201 is an apocalyptic number.
It is an amenable number.
7144430201 is a deficient number, since it is larger than the sum of its proper divisors (1).
7144430201 is an equidigital number, since it uses as much as digits as its factorization.
7144430201 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2688, while the sum is 26.
The square root of 7144430201 is about 84524.7312980053. The cubic root of 7144430201 is about 1925.9981511297.
Adding to 7144430201 its reverse (1020344417), we get a palindrome (8164774618).
The spelling of 7144430201 in words is "seven billion, one hundred forty-four million, four hundred thirty thousand, two hundred one".
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