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12423114449 is a prime number
BaseRepresentation
bin10111001000111100…
…11010111011010001
31012001210021121020222
423210132122323101
5200420304130244
65412422242425
7616566505364
oct134436327321
935053247228
1012423114449
1152a5584839
1224a8586415
13122ca09cc5
1485bcbc0db
154ca99cbee
hex2e479aed1

12423114449 has 2 divisors, whose sum is σ = 12423114450. Its totient is φ = 12423114448.

The previous prime is 12423114421. The next prime is 12423114461. The reversal of 12423114449 is 94441132421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11159809600 + 1263304849 = 105640^2 + 35543^2 .

It is a cyclic number.

It is not a de Polignac number, because 12423114449 - 212 = 12423110353 is a prime.

It is a super-2 number, since 2×124231144492 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12423714449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6211557224 + 6211557225.

It is an arithmetic number, because the mean of its divisors is an integer number (6211557225).

Almost surely, 212423114449 is an apocalyptic number.

It is an amenable number.

12423114449 is a deficient number, since it is larger than the sum of its proper divisors (1).

12423114449 is an equidigital number, since it uses as much as digits as its factorization.

12423114449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 35.

The spelling of 12423114449 in words is "twelve billion, four hundred twenty-three million, one hundred fourteen thousand, four hundred forty-nine".