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19010143 is a prime number
BaseRepresentation
bin100100010000…
…1001001011111
31022202211000101
41020201021133
514331311033
61515241531
7320404105
oct110411137
938684011
1019010143
11a804669
1264492a7
133c27a09
14274bc75
151a0797d
hex122125f

19010143 has 2 divisors, whose sum is σ = 19010144. Its totient is φ = 19010142.

The previous prime is 19010141. The next prime is 19010153. The reversal of 19010143 is 34101091.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (34101091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19010143 - 21 = 19010141 is a prime.

It is a super-2 number, since 2×190101432 = 722771073760898, which contains 22 as substring.

Together with 19010141, 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 19010143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19010141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9505071 + 9505072.

It is an arithmetic number, because the mean of its divisors is an integer number (9505072).

Almost surely, 219010143 is an apocalyptic number.

19010143 is a deficient number, since it is larger than the sum of its proper divisors (1).

19010143 is an equidigital number, since it uses as much as digits as its factorization.

19010143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 19010143 is about 4360.0622701975. The cubic root of 19010143 is about 266.8876399303.

The spelling of 19010143 in words is "nineteen million, ten thousand, one hundred forty-three".