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143344618805 = 51693192
BaseRepresentation
bin1000010110000000000…
…0010100110100110101
3111200222221012010012202
42011200000110310311
54322032210300210
6145503540354245
713233133104353
oct2054000246465
9450887163182
10143344618805
1155879333813
12239459a5985
131069579728b
146d1b9007d3
153ade6899a5
hex2160014d35

143344618805 has 6 divisors (see below), whose sum is σ = 172014558486. Its totient is φ = 114675017768.

The previous prime is 143344618801. The next prime is 143344618811. The reversal of 143344618805 is 508816443341.

It can be written as a sum of positive squares in only one way, i.e., 114675695044 + 28668923761 = 338638^2 + 169319^2 .

It is not a de Polignac number, because 143344618805 - 22 = 143344618801 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143344618805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143344618801) 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 in 5 ways as a sum of consecutive naturals, for example, 761936 + ... + 931254.

It is an arithmetic number, because the mean of its divisors is an integer number (28669093081).

Almost surely, 2143344618805 is an apocalyptic number.

It is an amenable number.

143344618805 is a deficient number, since it is larger than the sum of its proper divisors (28669939681).

143344618805 is an frugal number, since it uses more digits than its factorization.

143344618805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338643 (or 169324 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 47.

The spelling of 143344618805 in words is "one hundred forty-three billion, three hundred forty-four million, six hundred eighteen thousand, eight hundred five".

Divisors: 1 5 169319 846595 28668923761 143344618805