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12431140973 is a prime number
BaseRepresentation
bin10111001001111010…
…00010100001101101
31012002100101101120122
423210331002201231
5200424333002343
65413310254325
7620024645336
oct134475024155
935070341518
1012431140973
1152aa067229
1224ab1b73a5
13123158a524
1485cdab28d
154cb536068
hex2e4f4286d

12431140973 has 2 divisors, whose sum is σ = 12431140974. Its totient is φ = 12431140972.

The previous prime is 12431140951. The next prime is 12431141033. The reversal of 12431140973 is 37904113421.

12431140973 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 can be written as a sum of positive squares in only one way, i.e., 11939277289 + 491863684 = 109267^2 + 22178^2 .

It is a cyclic number.

It is not a de Polignac number, because 12431140973 - 218 = 12430878829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12431140373) 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, 6215570486 + 6215570487.

It is an arithmetic number, because the mean of its divisors is an integer number (6215570487).

Almost surely, 212431140973 is an apocalyptic number.

It is an amenable number.

12431140973 is a deficient number, since it is larger than the sum of its proper divisors (1).

12431140973 is an equidigital number, since it uses as much as digits as its factorization.

12431140973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 12431140973 in words is "twelve billion, four hundred thirty-one million, one hundred forty thousand, nine hundred seventy-three".