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1230783089 is a prime number
BaseRepresentation
bin100100101011100…
…0100001001110001
310011202221020222212
41021113010021301
510010040024324
6322043541505
742333324614
oct11127041161
93152836885
101230783089
11581821608
122a422a895
13167cb1a23
14b966417b
15730bb70e
hex495c4271

1230783089 has 2 divisors, whose sum is σ = 1230783090. Its totient is φ = 1230783088.

The previous prime is 1230783067. The next prime is 1230783097. The reversal of 1230783089 is 9803870321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 676416064 + 554367025 = 26008^2 + 23545^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230783089 - 212 = 1230778993 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230783019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615391544 + 615391545.

It is an arithmetic number, because the mean of its divisors is an integer number (615391545).

Almost surely, 21230783089 is an apocalyptic number.

It is an amenable number.

1230783089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230783089 is an equidigital number, since it uses as much as digits as its factorization.

1230783089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 1230783089 is about 35082.5182819022. The cubic root of 1230783089 is about 1071.6686019066.

The spelling of 1230783089 in words is "one billion, two hundred thirty million, seven hundred eighty-three thousand, eighty-nine".