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142865022943 = 1715753527547
BaseRepresentation
bin1000010100001101101…
…0110011111111011111
3111122202111202010101001
42011003122303333133
54320041421213233
6145344205131131
713215220441606
oct2050332637737
9448674663331
10142865022943
11556526432a5
1223831259aa7
131061a307546
146cb3d3aa3d
153ab250227d
hex21436b3fdf

142865022943 has 8 divisors (see below), whose sum is σ = 152232346512. Its totient is φ = 133604754816.

The previous prime is 142865022931. The next prime is 142865022983. The reversal of 142865022943 is 349220568241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-142865022943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142865022893 and 142865022902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142865022983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26761105 + ... + 26766442.

It is an arithmetic number, because the mean of its divisors is an integer number (19029043314).

Almost surely, 2142865022943 is an apocalyptic number.

142865022943 is a deficient number, since it is larger than the sum of its proper divisors (9367323569).

142865022943 is a wasteful number, since it uses less digits than its factorization.

142865022943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53527721.

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 142865022943 in words is "one hundred forty-two billion, eight hundred sixty-five million, twenty-two thousand, nine hundred forty-three".

Divisors: 1 17 157 2669 53527547 909968299 8403824879 142865022943