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12258330761 is a prime number
BaseRepresentation
bin10110110101010011…
…10100100010001001
31011122022012201112102
423122221310202021
5200101113041021
65344214323145
7612526043435
oct133251644211
934568181472
1012258330761
115220565376
1224613594b5
131204833071
148440659c5
154bb29d00b
hex2daa74889

12258330761 has 2 divisors, whose sum is σ = 12258330762. Its totient is φ = 12258330760.

The previous prime is 12258330751. The next prime is 12258330767. The reversal of 12258330761 is 16703385221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7720961161 + 4537369600 = 87869^2 + 67360^2 .

It is a cyclic number.

It is not a de Polignac number, because 12258330761 - 214 = 12258314377 is a prime.

It is not a weakly prime, because it can be changed into another prime (12258330767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6129165380 + 6129165381.

It is an arithmetic number, because the mean of its divisors is an integer number (6129165381).

Almost surely, 212258330761 is an apocalyptic number.

It is an amenable number.

12258330761 is a deficient number, since it is larger than the sum of its proper divisors (1).

12258330761 is an equidigital number, since it uses as much as digits as its factorization.

12258330761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 12258330761 in words is "twelve billion, two hundred fifty-eight million, three hundred thirty thousand, seven hundred sixty-one".