Search a number
-
+
1080713861 is a prime number
BaseRepresentation
bin100000001101010…
…0110001010000101
32210022112221201022
41000122212022011
54203130320421
6255123240525
735531626163
oct10032461205
92708487638
101080713861
11505042357
12261b19145
13142b8a476
14a375c233
1564d267ab
hex406a6285

1080713861 has 2 divisors, whose sum is σ = 1080713862. Its totient is φ = 1080713860.

The previous prime is 1080713833. The next prime is 1080713897. The reversal of 1080713861 is 1683170801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 543169636 + 537544225 = 23306^2 + 23185^2 .

It is a cyclic number.

It is not a de Polignac number, because 1080713861 - 222 = 1076519557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1080703861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540356930 + 540356931.

It is an arithmetic number, because the mean of its divisors is an integer number (540356931).

Almost surely, 21080713861 is an apocalyptic number.

It is an amenable number.

1080713861 is a deficient number, since it is larger than the sum of its proper divisors (1).

1080713861 is an equidigital number, since it uses as much as digits as its factorization.

1080713861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 1080713861 is about 32874.2127054018. The cubic root of 1080713861 is about 1026.2115710222.

The spelling of 1080713861 in words is "one billion, eighty million, seven hundred thirteen thousand, eight hundred sixty-one".