Base | Representation |
---|---|
bin | 1101101011010010… |
… | …01100101111011001 |
3 | 200221201002202221011 |
4 | 12311221030233121 |
5 | 110014131142411 |
6 | 3212330013521 |
7 | 346644511522 |
oct | 66551145731 |
9 | 20851082834 |
10 | 7342443481 |
11 | 312868850a |
12 | 150ab772a1 |
13 | 900244819 |
14 | 4d921b849 |
15 | 2ce90dc21 |
hex | 1b5a4cbd9 |
7342443481 has 2 divisors, whose sum is σ = 7342443482. Its totient is φ = 7342443480.
The previous prime is 7342443439. The next prime is 7342443509. The reversal of 7342443481 is 1843442437.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 5340686400 + 2001757081 = 73080^2 + 44741^2 .
It is an emirp because it is prime and its reverse (1843442437) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-7342443481 is a prime.
It is a super-2 number, since 2×73424434812 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (7342443431) 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, 3671221740 + 3671221741.
It is an arithmetic number, because the mean of its divisors is an integer number (3671221741).
Almost surely, 27342443481 is an apocalyptic number.
It is an amenable number.
7342443481 is a deficient number, since it is larger than the sum of its proper divisors (1).
7342443481 is an equidigital number, since it uses as much as digits as its factorization.
7342443481 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 258048, while the sum is 40.
The square root of 7342443481 is about 85688.0591506191. The cubic root of 7342443481 is about 1943.6297476072.
The spelling of 7342443481 in words is "seven billion, three hundred forty-two million, four hundred forty-three thousand, four hundred eighty-one".
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