Base | Representation |
---|---|
bin | 110110110001110… |
… | …1001110011111001 |
3 | 11202002122021012112 |
4 | 1231203221303321 |
5 | 12231021002331 |
6 | 502220022105 |
7 | 63356163536 |
oct | 15543516371 |
9 | 4662567175 |
10 | 1838062841 |
11 | 8635a18aa |
12 | 433691935 |
13 | 233a58c64 |
14 | 136183d8d |
15 | ab57632b |
hex | 6d8e9cf9 |
1838062841 has 4 divisors (see below), whose sum is σ = 1882893684. Its totient is φ = 1793232000.
The previous prime is 1838062739. The next prime is 1838062847. The reversal of 1838062841 is 1482608381.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1482608381 = 2851 ⋅520031.
It can be written as a sum of positive squares in 2 ways, for example, as 124434025 + 1713628816 = 11155^2 + 41396^2 .
It is a cyclic number.
It is not a de Polignac number, because 1838062841 - 222 = 1833868537 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 44830801 = 1838062841 / (1 + 8 + 3 + 8 + 0 + 6 + 2 + 8 + 4 + 1).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1838062847) 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 in 3 ways as a sum of consecutive naturals, for example, 22415360 + ... + 22415441.
It is an arithmetic number, because the mean of its divisors is an integer number (470723421).
Almost surely, 21838062841 is an apocalyptic number.
It is an amenable number.
1838062841 is a deficient number, since it is larger than the sum of its proper divisors (44830843).
1838062841 is an equidigital number, since it uses as much as digits as its factorization.
1838062841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44830842.
The product of its (nonzero) digits is 73728, while the sum is 41.
The square root of 1838062841 is about 42872.6351067904. The cubic root of 1838062841 is about 1224.9549540009.
The spelling of 1838062841 in words is "one billion, eight hundred thirty-eight million, sixty-two thousand, eight hundred forty-one".
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