Search a number
-
+
2110284645281 is a prime number
BaseRepresentation
bin11110101101010110110…
…001000100001110100001
321110202000100212022020222
4132231112301010032201
5234033330332122111
64253241255412425
7305314551344111
oct36552661041641
97422010768228
102110284645281
11743a6a73812a
122a0ba2084115
13123ccaa14127
14741d17ab041
1539d6009e7db
hex1eb56c443a1

2110284645281 has 2 divisors, whose sum is σ = 2110284645282. Its totient is φ = 2110284645280.

The previous prime is 2110284645191. The next prime is 2110284645361. The reversal of 2110284645281 is 1825464820112.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1989747221056 + 120537424225 = 1410584^2 + 347185^2 .

It is a cyclic number.

It is not a de Polignac number, because 2110284645281 - 226 = 2110217536417 is a prime.

It is a super-2 number, since 2×21102846452812 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2110284642281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055142322640 + 1055142322641.

It is an arithmetic number, because the mean of its divisors is an integer number (1055142322641).

Almost surely, 22110284645281 is an apocalyptic number.

It is an amenable number.

2110284645281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2110284645281 is an equidigital number, since it uses as much as digits as its factorization.

2110284645281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 245760, while the sum is 44.

The spelling of 2110284645281 in words is "two trillion, one hundred ten billion, two hundred eighty-four million, six hundred forty-five thousand, two hundred eighty-one".