Base | Representation |
---|---|
bin | 1101010011100001… |
… | …11111100100011011 |
3 | 200102211010010111212 |
4 | 12221300333210123 |
5 | 104112122110331 |
6 | 3140450413335 |
7 | 342004600424 |
oct | 65160774433 |
9 | 20384103455 |
10 | 7143160091 |
11 | 30361449a1 |
12 | 147429124b |
13 | 89ab7b762 |
14 | 4ba98464b |
15 | 2bc196d2b |
hex | 1a9c3f91b |
7143160091 has 2 divisors, whose sum is σ = 7143160092. Its totient is φ = 7143160090.
The previous prime is 7143160081. The next prime is 7143160103. The reversal of 7143160091 is 1900613417.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-7143160091 is a prime.
It is not a weakly prime, because it can be changed into another prime (7143160001) by changing a digit.
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 as a sum of consecutive naturals, namely, 3571580045 + 3571580046.
It is an arithmetic number, because the mean of its divisors is an integer number (3571580046).
Almost surely, 27143160091 is an apocalyptic number.
7143160091 is a deficient number, since it is larger than the sum of its proper divisors (1).
7143160091 is an equidigital number, since it uses as much as digits as its factorization.
7143160091 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4536, while the sum is 32.
The square root of 7143160091 is about 84517.2177192316. The cubic root of 7143160091 is about 1925.8840121236.
The spelling of 7143160091 in words is "seven billion, one hundred forty-three million, one hundred sixty thousand, ninety-one".
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