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2122430137 is a prime number
BaseRepresentation
bin111111010000001…
…1011011010111001
312110220201121210121
41332200123122321
513321320231022
6550335013241
7103411233652
oct17640333271
95426647717
102122430137
1199a0691a3
124b296a221
1327a942429
14161c48529
15c64e82c7
hex7e81b6b9

2122430137 has 2 divisors, whose sum is σ = 2122430138. Its totient is φ = 2122430136.

The previous prime is 2122430113. The next prime is 2122430171. The reversal of 2122430137 is 7310342212.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2008025721 + 114404416 = 44811^2 + 10696^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122430137 - 215 = 2122397369 is a prime.

It is not a weakly prime, because it can be changed into another prime (2122430197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061215068 + 1061215069.

It is an arithmetic number, because the mean of its divisors is an integer number (1061215069).

Almost surely, 22122430137 is an apocalyptic number.

It is an amenable number.

2122430137 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122430137 is an equidigital number, since it uses as much as digits as its factorization.

2122430137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 2122430137 is about 46069.8397761486. The cubic root of 2122430137 is about 1285.1223241967.

Adding to 2122430137 its reverse (7310342212), we get a palindrome (9432772349).

The spelling of 2122430137 in words is "two billion, one hundred twenty-two million, four hundred thirty thousand, one hundred thirty-seven".