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143120413 is a prime number
BaseRepresentation
bin10001000011111…
…01100000011101
3100222022021022001
420201331200131
5243114323123
622111322301
73355334452
oct1041754035
9328267261
10143120413
1173873537
123bb20391
1323860747
1415017829
15c8710ad
hex887d81d

143120413 has 2 divisors, whose sum is σ = 143120414. Its totient is φ = 143120412.

The previous prime is 143120401. The next prime is 143120431. The reversal of 143120413 is 314021341.

Together with next prime (143120431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130919364 + 12201049 = 11442^2 + 3493^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-143120413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143120443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71560206 + 71560207.

It is an arithmetic number, because the mean of its divisors is an integer number (71560207).

Almost surely, 2143120413 is an apocalyptic number.

It is an amenable number.

143120413 is a deficient number, since it is larger than the sum of its proper divisors (1).

143120413 is an equidigital number, since it uses as much as digits as its factorization.

143120413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 143120413 is about 11963.2944041347. The cubic root of 143120413 is about 523.0788901537.

Adding to 143120413 its reverse (314021341), we get a palindrome (457141754).

The spelling of 143120413 in words is "one hundred forty-three million, one hundred twenty thousand, four hundred thirteen".