Base | Representation |
---|---|
bin | 101101000111001100… |
… | …101110011000001001 |
3 | 11122000210211012022022 |
4 | 231013030232120021 |
5 | 1243200411031111 |
6 | 34130323134225 |
7 | 3333240023543 |
oct | 550714563011 |
9 | 148023735268 |
10 | 48439158281 |
11 | 195a7707618 |
12 | 947a214375 |
13 | 474c597647 |
14 | 24b7310693 |
15 | 13d782d2db |
hex | b4732e609 |
48439158281 has 2 divisors, whose sum is σ = 48439158282. Its totient is φ = 48439158280.
The previous prime is 48439158263. The next prime is 48439158289. The reversal of 48439158281 is 18285193484.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 32250413056 + 16188745225 = 179584^2 + 127235^2 .
It is a cyclic number.
It is not a de Polignac number, because 48439158281 - 210 = 48439157257 is a prime.
It is a super-2 number, since 2×484391582812 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (48439158289) 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, 24219579140 + 24219579141.
It is an arithmetic number, because the mean of its divisors is an integer number (24219579141).
Almost surely, 248439158281 is an apocalyptic number.
It is an amenable number.
48439158281 is a deficient number, since it is larger than the sum of its proper divisors (1).
48439158281 is an equidigital number, since it uses as much as digits as its factorization.
48439158281 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2211840, while the sum is 53.
The spelling of 48439158281 in words is "forty-eight billion, four hundred thirty-nine million, one hundred fifty-eight thousand, two hundred eighty-one".
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