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1290959113 is a prime number
BaseRepresentation
bin100110011110010…
…0111100100001001
310022222011111222111
41030330213210021
510120441142423
6332033422321
743663654123
oct11474474411
93288144874
101290959113
11602792764
1230040a9a1
131775c0b42
14c364a213
157850660d
hex4cf27909

1290959113 has 2 divisors, whose sum is σ = 1290959114. Its totient is φ = 1290959112.

The previous prime is 1290959093. The next prime is 1290959143. The reversal of 1290959113 is 3119590921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1117431184 + 173527929 = 33428^2 + 13173^2 .

It is an emirp because it is prime and its reverse (3119590921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1290959113 - 229 = 754088201 is a prime.

It is not a weakly prime, because it can be changed into another prime (1290959143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 645479556 + 645479557.

It is an arithmetic number, because the mean of its divisors is an integer number (645479557).

Almost surely, 21290959113 is an apocalyptic number.

It is an amenable number.

1290959113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1290959113 is an equidigital number, since it uses as much as digits as its factorization.

1290959113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21870, while the sum is 40.

The square root of 1290959113 is about 35929.9194683205. The cubic root of 1290959113 is about 1088.8569542584.

The spelling of 1290959113 in words is "one billion, two hundred ninety million, nine hundred fifty-nine thousand, one hundred thirteen".