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143143243542 = 23213611723263
BaseRepresentation
bin1000010101010000000…
…0001000111100010110
3111200110220021012021200
42011110000020330112
54321124132243132
6145431544253330
713225136331435
oct2052400107426
9450426235250
10143143243542
11557856a1582
12238aa471246
1310662b4b010
146cdcc8111c
153acbb5cd7c
hex2154008f16

143143243542 has 24 divisors (see below), whose sum is σ = 334000902144. Its totient is φ = 44044074864.

The previous prime is 143143243511. The next prime is 143143243567. The reversal of 143143243542 is 245342341341.

143143243542 is a `hidden beast` number, since 1 + 4 + 31 + 43 + 2 + 43 + 542 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 143143243497 and 143143243506.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 305861398 + ... + 305861865.

It is an arithmetic number, because the mean of its divisors is an integer number (13916704256).

Almost surely, 2143143243542 is an apocalyptic number.

143143243542 is an abundant number, since it is smaller than the sum of its proper divisors (190857658602).

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

143143243542 is a wasteful number, since it uses less digits than its factorization.

143143243542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611723284 (or 611723281 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

Adding to 143143243542 its reverse (245342341341), we get a palindrome (388485584883).

The spelling of 143143243542 in words is "one hundred forty-three billion, one hundred forty-three million, two hundred forty-three thousand, five hundred forty-two".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 611723263 1223446526 1835169789 3670339578 5505509367 7952402419 11011018734 15904804838 23857207257 47714414514 71571621771 143143243542