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143143187143 = 111710312296047
BaseRepresentation
bin1000010101001111111…
…1111011001011000111
3111200110220011022220211
42011103333323023013
54321124123442033
6145431543140251
713225136005135
oct2052377731307
9450426138824
10143143187143
1155785663170
12238aa444687
1310662b2b448
146cdcc68755
153acbb4b2cd
hex2153ffb2c7

143143187143 has 32 divisors (see below), whose sum is σ = 167110594560. Its totient is φ = 121167644160.

The previous prime is 143143187137. The next prime is 143143187153. The reversal of 143143187143 is 341781341341.

It is a happy number.

It is not a de Polignac number, because 143143187143 - 221 = 143141089991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143143187096 and 143143187105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143143187123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23668746 + ... + 23674792.

It is an arithmetic number, because the mean of its divisors is an integer number (5222206080).

Almost surely, 2143143187143 is an apocalyptic number.

143143187143 is a deficient number, since it is larger than the sum of its proper divisors (23967407417).

143143187143 is a wasteful number, since it uses less digits than its factorization.

143143187143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7407.

The product of its digits is 96768, while the sum is 40.

The spelling of 143143187143 in words is "one hundred forty-three billion, one hundred forty-three million, one hundred eighty-seven thousand, one hundred forty-three".

Divisors: 1 11 17 103 187 1133 1229 1751 6047 13519 19261 20893 66517 102799 126587 229823 622841 1130789 1392457 2151979 6851251 7431763 10588297 23671769 81749393 116471267 126339971 765471589 1389739681 8420187479 13013017013 143143187143