Search a number
-
+
1830827773 is a prime number
BaseRepresentation
bin110110100100000…
…0011011011111101
311201121000200120001
41231020003123331
512222142442043
6501400554301
763240531205
oct15510033375
94647020501
101830827773
1185a500005
12431182991
132323c4a58
1413521d405
15aaae774d
hex6d2036fd

1830827773 has 2 divisors, whose sum is σ = 1830827774. Its totient is φ = 1830827772.

The previous prime is 1830827771. The next prime is 1830827819. The reversal of 1830827773 is 3777280381.

It is an a-pointer prime, because the next prime (1830827819) can be obtained adding 1830827773 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1829957284 + 870489 = 42778^2 + 933^2 .

It is a cyclic number.

It is not a de Polignac number, because 1830827773 - 21 = 1830827771 is a prime.

Together with 1830827771, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1830827771) 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, 915413886 + 915413887.

It is an arithmetic number, because the mean of its divisors is an integer number (915413887).

Almost surely, 21830827773 is an apocalyptic number.

It is an amenable number.

1830827773 is a deficient number, since it is larger than the sum of its proper divisors (1).

1830827773 is an equidigital number, since it uses as much as digits as its factorization.

1830827773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 395136, while the sum is 46.

The square root of 1830827773 is about 42788.1732842149. The cubic root of 1830827773 is about 1223.3455990887.

The spelling of 1830827773 in words is "one billion, eight hundred thirty million, eight hundred twenty-seven thousand, seven hundred seventy-three".