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13430143 is a prime number
BaseRepresentation
bin110011001110…
…110101111111
3221021022200201
4303032311333
511414231033
61155504331
7222103636
oct63166577
927238621
1013430143
1176432a1
1245b80a7
132a22c3c
141ad851d
1512a447d
hexcced7f

13430143 has 2 divisors, whose sum is σ = 13430144. Its totient is φ = 13430142.

The previous prime is 13430141. The next prime is 13430159. The reversal of 13430143 is 34103431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13430143 - 21 = 13430141 is a prime.

Together with 13430141, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13430143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13430141) 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, 6715071 + 6715072.

It is an arithmetic number, because the mean of its divisors is an integer number (6715072).

Almost surely, 213430143 is an apocalyptic number.

13430143 is a deficient number, since it is larger than the sum of its proper divisors (1).

13430143 is an equidigital number, since it uses as much as digits as its factorization.

13430143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 13430143 is about 3664.7159507935. The cubic root of 13430143 is about 237.6987396504.

Adding to 13430143 its reverse (34103431), we get a palindrome (47533574).

The spelling of 13430143 in words is "thirteen million, four hundred thirty thousand, one hundred forty-three".