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1428572857143 = 31728011232493
BaseRepresentation
bin10100110010011101100…
…100111110001100110111
312001120101200212022220010
4110302131210332030313
5141401204122412033
63012135522111303
7205132236634365
oct24623544761467
95046350768803
101428572857143
11500944153813
121b0a4a1ab533
13a4938408b33
144d2012b8635
1527261831863
hex14c9d93e337

1428572857143 has 8 divisors (see below), whose sum is σ = 2016808739568. Its totient is φ = 896359439744.

The previous prime is 1428572857133. The next prime is 1428572857163. The reversal of 1428572857143 is 3417582758241.

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

It is a cyclic number.

It is not a de Polignac number, because 1428572857143 - 217 = 1428572726071 is a prime.

It is a super-2 number, since 2×14285728571432 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428572857123) 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, 14005616196 + ... + 14005616297.

It is an arithmetic number, because the mean of its divisors is an integer number (252101092446).

Almost surely, 21428572857143 is an apocalyptic number.

1428572857143 is a deficient number, since it is larger than the sum of its proper divisors (588235882425).

1428572857143 is a wasteful number, since it uses less digits than its factorization.

1428572857143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28011232513.

The product of its digits is 15052800, while the sum is 57.

The spelling of 1428572857143 in words is "one trillion, four hundred twenty-eight billion, five hundred seventy-two million, eight hundred fifty-seven thousand, one hundred forty-three".

Divisors: 1 3 17 51 28011232493 84033697479 476190952381 1428572857143