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143113115442 = 231115713811341
BaseRepresentation
bin1000010101001000110…
…1001101011100110010
3111200101210120112022010
42011102031031130302
54321043424143232
6145424550423350
713224322260423
oct2052215153462
9450353515263
10143113115442
115576a693920
12238a0361b56
131065982c93b
146cd8c7b64a
153ac91ab0cc
hex215234d732

143113115442 has 32 divisors (see below), whose sum is σ = 314235653184. Its totient is φ = 43091380800.

The previous prime is 143113115429. The next prime is 143113115447. The reversal of 143113115442 is 244511311341.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (143113115447) 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 in 15 ways as a sum of consecutive naturals, for example, 6895309 + ... + 6916032.

It is an arithmetic number, because the mean of its divisors is an integer number (9819864162).

Almost surely, 2143113115442 is an apocalyptic number.

143113115442 is an abundant number, since it is smaller than the sum of its proper divisors (171122537742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143113115442 is a wasteful number, since it uses less digits than its factorization.

143113115442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13811514.

The product of its digits is 5760, while the sum is 30.

Adding to 143113115442 its reverse (244511311341), we get a palindrome (387624426783).

The spelling of 143113115442 in words is "one hundred forty-three billion, one hundred thirteen million, one hundred fifteen thousand, four hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 157 314 471 942 1727 3454 5181 10362 13811341 27622682 41434023 82868046 151924751 303849502 455774253 911548506 2168380537 4336761074 6505141611 13010283222 23852185907 47704371814 71556557721 143113115442