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112985143 is a prime number
BaseRepresentation
bin1101011110000…
…00010000110111
321212121020110221
412233000100313
5212411011033
615113355211
72541233515
oct657002067
9255536427
10112985143
1158860457
1231a08b07
131a53c01b
14110114b5
159dbc12d
hex6bc0437

112985143 has 2 divisors, whose sum is σ = 112985144. Its totient is φ = 112985142.

The previous prime is 112985141. The next prime is 112985183. The reversal of 112985143 is 341589211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112985143 - 21 = 112985141 is a prime.

Together with 112985141, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 112985099 and 112985108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112985141) 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, 56492571 + 56492572.

It is an arithmetic number, because the mean of its divisors is an integer number (56492572).

Almost surely, 2112985143 is an apocalyptic number.

112985143 is a deficient number, since it is larger than the sum of its proper divisors (1).

112985143 is an equidigital number, since it uses as much as digits as its factorization.

112985143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 34.

The square root of 112985143 is about 10629.4469752664. The cubic root of 112985143 is about 483.4376237365.

The spelling of 112985143 in words is "one hundred twelve million, nine hundred eighty-five thousand, one hundred forty-three".