Base | Representation |
---|---|
bin | 1101001000001100… |
… | …01011011000000101 |
3 | 200012012011001020121 |
4 | 12210012023120011 |
5 | 103413300101211 |
6 | 3123212101541 |
7 | 336441303154 |
oct | 64406133005 |
9 | 20165131217 |
10 | 7048050181 |
11 | 2a97493467 |
12 | 14484648b1 |
13 | 88425a9c3 |
14 | 4ac0a759b |
15 | 2b3b5b271 |
hex | 1a418b605 |
7048050181 has 2 divisors, whose sum is σ = 7048050182. Its totient is φ = 7048050180.
The previous prime is 7048050157. The next prime is 7048050253. The reversal of 7048050181 is 1810508407.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 5356044225 + 1692005956 = 73185^2 + 41134^2 .
It is a cyclic number.
It is not a de Polignac number, because 7048050181 - 215 = 7048017413 is a prime.
It is a super-2 number, since 2×70480501812 = 99350022707788265522, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (7048020181) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3524025090 + 3524025091.
It is an arithmetic number, because the mean of its divisors is an integer number (3524025091).
Almost surely, 27048050181 is an apocalyptic number.
It is an amenable number.
7048050181 is a deficient number, since it is larger than the sum of its proper divisors (1).
7048050181 is an equidigital number, since it uses as much as digits as its factorization.
7048050181 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 8960, while the sum is 34.
The square root of 7048050181 is about 83952.6663126312. Note that the first 3 decimals coincide. The cubic root of 7048050181 is about 1917.2981910117.
Adding to 7048050181 its reverse (1810508407), we get a palindrome (8858558588).
The spelling of 7048050181 in words is "seven billion, forty-eight million, fifty thousand, one hundred eighty-one".
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