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143044401652 = 2289401810117
BaseRepresentation
bin1000010100111000011…
…1000101100111110100
3111200020000021111200221
42011032013011213310
54320423331323102
6145414053544124
713222526231605
oct2051607054764
9450200244627
10143044401652
1155734921169
1223881345044
13106485216a9
146ccdab1dac
153ac3136637
hex214e1c59f4

143044401652 has 12 divisors (see below), whose sum is σ = 253140374340. Its totient is φ = 70718580416.

The previous prime is 143044401649. The next prime is 143044401659. The reversal of 143044401652 is 256104440341.

It can be written as a sum of positive squares in 2 ways, for example, as 18538456336 + 124505945316 = 136156^2 + 352854^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143044401659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200904703 + ... + 200905414.

It is an arithmetic number, because the mean of its divisors is an integer number (21095031195).

Almost surely, 2143044401652 is an apocalyptic number.

It is an amenable number.

143044401652 is a deficient number, since it is larger than the sum of its proper divisors (110095972688).

143044401652 is a wasteful number, since it uses less digits than its factorization.

143044401652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401810210 (or 401810208 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 143044401652 its reverse (256104440341), we get a palindrome (399148841993).

The spelling of 143044401652 in words is "one hundred forty-three billion, forty-four million, four hundred one thousand, six hundred fifty-two".

Divisors: 1 2 4 89 178 356 401810117 803620234 1607240468 35761100413 71522200826 143044401652