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10421143 is a prime number
BaseRepresentation
bin100111110000…
…001110010111
3201121110010021
4213300032113
510131434033
61011210011
7154402225
oct47601627
921543107
1010421143
115978617
1235a6907
13220b475
141553b15
15dacb2d
hex9f0397

10421143 has 2 divisors, whose sum is σ = 10421144. Its totient is φ = 10421142.

The previous prime is 10421141. The next prime is 10421207. The reversal of 10421143 is 34112401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10421143 - 21 = 10421141 is a prime.

Together with 10421141, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10421141) 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, 5210571 + 5210572.

It is an arithmetic number, because the mean of its divisors is an integer number (5210572).

Almost surely, 210421143 is an apocalyptic number.

10421143 is a deficient number, since it is larger than the sum of its proper divisors (1).

10421143 is an equidigital number, since it uses as much as digits as its factorization.

10421143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 10421143 is about 3228.1795179327. The cubic root of 10421143 is about 218.4263952028.

Adding to 10421143 its reverse (34112401), we get a palindrome (44533544).

The spelling of 10421143 in words is "ten million, four hundred twenty-one thousand, one hundred forty-three".