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143131337045 = 5531373942469
BaseRepresentation
bin1000010101001101001…
…0101110000101010101
3111200110001212021122022
42011103102232011111
54321113110241140
6145430441142525
713224633201554
oct2052322560525
9450401767568
10143131337045
11557799a9aa4
12238a648aa45
131066053c758
146cdb461d9b
153acaaaa0b5
hex21534ae155

143131337045 has 16 divisors (see below), whose sum is σ = 176275718640. Its totient is φ = 111524534784.

The previous prime is 143131337033. The next prime is 143131337047. The reversal of 143131337045 is 540733131341.

It can be written as a sum of positive squares in 8 ways, for example, as 14667874321 + 128463462724 = 121111^2 + 358418^2 .

It is a cyclic number.

It is not a de Polignac number, because 143131337045 - 224 = 143114559829 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 143131336996 and 143131337014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143131337047) 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, 1934930 + ... + 2007539.

It is an arithmetic number, because the mean of its divisors is an integer number (11017232415).

Almost surely, 2143131337045 is an apocalyptic number.

It is an amenable number.

143131337045 is a deficient number, since it is larger than the sum of its proper divisors (33144381595).

143131337045 is a wasteful number, since it uses less digits than its factorization.

143131337045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3942664.

The product of its (nonzero) digits is 45360, while the sum is 35.

Adding to 143131337045 its reverse (540733131341), we get a palindrome (683864468386).

The spelling of 143131337045 in words is "one hundred forty-three billion, one hundred thirty-one million, three hundred thirty-seven thousand, forty-five".

Divisors: 1 5 53 137 265 685 7261 36305 3942469 19712345 208950857 540118253 1044754285 2700591265 28626267409 143131337045