Search a number
-
+
1048371109 is a prime number
BaseRepresentation
bin111110011111001…
…101111110100101
32201001200202210121
4332133031332211
54121340333414
6252010121541
734660002352
oct7637157645
92631622717
101048371109
11498861805
122531202b1
13139275046
149d33d629
1562088724
hex3e7cdfa5

1048371109 has 2 divisors, whose sum is σ = 1048371110. Its totient is φ = 1048371108.

The previous prime is 1048371097. The next prime is 1048371131. The reversal of 1048371109 is 9011738401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 778689025 + 269682084 = 27905^2 + 16422^2 .

It is an emirp because it is prime and its reverse (9011738401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1048371109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1048371179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524185554 + 524185555.

It is an arithmetic number, because the mean of its divisors is an integer number (524185555).

Almost surely, 21048371109 is an apocalyptic number.

It is an amenable number.

1048371109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1048371109 is an equidigital number, since it uses as much as digits as its factorization.

1048371109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 1048371109 is about 32378.5594027900. The cubic root of 1048371109 is about 1015.8704978496.

The spelling of 1048371109 in words is "one billion, forty-eight million, three hundred seventy-one thousand, one hundred nine".