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1230334661 is a prime number
BaseRepresentation
bin100100101010101…
…0110101011000101
310011202002110212102
41021111112223011
510004431202121
6322030201445
742326446343
oct11125265305
93152073772
101230334661
11581545706
122a4053285
13167b8589a
14b9588993
157302d90b
hex49556ac5

1230334661 has 2 divisors, whose sum is σ = 1230334662. Its totient is φ = 1230334660.

The previous prime is 1230334529. The next prime is 1230334667. The reversal of 1230334661 is 1664330321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1022080900 + 208253761 = 31970^2 + 14431^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230334661 - 218 = 1230072517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230334667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615167330 + 615167331.

It is an arithmetic number, because the mean of its divisors is an integer number (615167331).

Almost surely, 21230334661 is an apocalyptic number.

It is an amenable number.

1230334661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230334661 is an equidigital number, since it uses as much as digits as its factorization.

1230334661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 1230334661 is about 35076.1266533236. The cubic root of 1230334661 is about 1071.5384342142.

Adding to 1230334661 its reverse (1664330321), we get a palindrome (2894664982).

It can be divided in two parts, 12303 and 34661, that added together give a palindrome (46964).

The spelling of 1230334661 in words is "one billion, two hundred thirty million, three hundred thirty-four thousand, six hundred sixty-one".