Search a number
-
+
1081106797 is a prime number
BaseRepresentation
bin100000001110000…
…0110000101101101
32210100021220201111
41000130012011231
54203230404142
6255135512021
735535153601
oct10034060555
92710256644
101081106797
115052905a1
12262088611
13142c97284
14a3821501
1564da2e17
hex4070616d

1081106797 has 2 divisors, whose sum is σ = 1081106798. Its totient is φ = 1081106796.

The previous prime is 1081106771. The next prime is 1081106839. The reversal of 1081106797 is 7976011801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1077743241 + 3363556 = 32829^2 + 1834^2 .

It is an emirp because it is prime and its reverse (7976011801) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1081106797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1081106197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540553398 + 540553399.

It is an arithmetic number, because the mean of its divisors is an integer number (540553399).

Almost surely, 21081106797 is an apocalyptic number.

It is an amenable number.

1081106797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1081106797 is an equidigital number, since it uses as much as digits as its factorization.

1081106797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 40.

The square root of 1081106797 is about 32880.1885183160. The cubic root of 1081106797 is about 1026.3359291351.

The spelling of 1081106797 in words is "one billion, eighty-one million, one hundred six thousand, seven hundred ninety-seven".