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12685182443 is a prime number
BaseRepresentation
bin10111101000001100…
…01000010111101011
31012202001102000221222
423310012020113223
5201434401314233
65454423252255
7626231162123
oct136406102753
935661360858
1012685182443
11541a50035a
1225602aa08b
1312720b661b
14884a19c83
154e39b7898
hex2f41885eb

12685182443 has 2 divisors, whose sum is σ = 12685182444. Its totient is φ = 12685182442.

The previous prime is 12685182431. The next prime is 12685182463. The reversal of 12685182443 is 34428158621.

12685182443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12685182443 - 214 = 12685166059 is a prime.

It is a super-2 number, since 2×126851824432 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12685182394 and 12685182403.

It is not a weakly prime, because it can be changed into another prime (12685182463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6342591221 + 6342591222.

It is an arithmetic number, because the mean of its divisors is an integer number (6342591222).

Almost surely, 212685182443 is an apocalyptic number.

12685182443 is a deficient number, since it is larger than the sum of its proper divisors (1).

12685182443 is an equidigital number, since it uses as much as digits as its factorization.

12685182443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 368640, while the sum is 44.

The spelling of 12685182443 in words is "twelve billion, six hundred eighty-five million, one hundred eighty-two thousand, four hundred forty-three".