Search a number
-
+
7104205082881 is a prime number
BaseRepresentation
bin110011101100001001110…
…0111101101000100000001
3221011011012021012122220101
41213120103213231010001
51412343403000123011
623035343214042401
71332155552566444
oct147302347550401
927134167178811
107104205082881
112299970621455
12968a13aa9401
133c6c013a349a
141a7bb995365b
15c4be3bbe2c1
hex676139ed101

7104205082881 has 2 divisors, whose sum is σ = 7104205082882. Its totient is φ = 7104205082880.

The previous prime is 7104205082879. The next prime is 7104205082893. The reversal of 7104205082881 is 1882805024017.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6904202932225 + 200002150656 = 2627585^2 + 447216^2 .

It is a cyclic number.

It is not a de Polignac number, because 7104205082881 - 21 = 7104205082879 is a prime.

It is a super-2 number, since 2×71042050828812 (a number of 27 digits) contains 22 as substring.

Together with 7104205082879, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7104205082851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3552102541440 + 3552102541441.

It is an arithmetic number, because the mean of its divisors is an integer number (3552102541441).

Almost surely, 27104205082881 is an apocalyptic number.

It is an amenable number.

7104205082881 is a deficient number, since it is larger than the sum of its proper divisors (1).

7104205082881 is an equidigital number, since it uses as much as digits as its factorization.

7104205082881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 286720, while the sum is 46.

The spelling of 7104205082881 in words is "seven trillion, one hundred four billion, two hundred five million, eighty-two thousand, eight hundred eighty-one".