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1712884147984 = 243271932
BaseRepresentation
bin11000111011001111110…
…110011110011100010000
320001202020211201100121001
4120323033312132130100
5211030441320213414
63350515455511344
7234515603013142
oct30731766363420
96052224640531
101712884147984
116004804a0679
12237b75528554
13c56a7b03589
145cc9295ac92
152e8519d9074
hex18ecfd9e710

1712884147984 has 15 divisors (see below), whose sum is σ = 3318723179733. Its totient is φ = 856439456448.

The previous prime is 1712884147927. The next prime is 1712884148033. The reversal of 1712884147984 is 4897414882171.

The square root of 1712884147984 is 1308772.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1712695690000 + 188457984 = 1308700^2 + 13728^2 .

It is a super-2 number, since 2×17128841479842 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 5071492 + ... + 5398684.

Almost surely, 21712884147984 is an apocalyptic number.

1712884147984 is the 1308772-nd square number.

It is an amenable number.

1712884147984 is a deficient number, since it is larger than the sum of its proper divisors (1605839031749).

1712884147984 is an frugal number, since it uses more digits than its factorization.

1712884147984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654394 (or 327195 counting only the distinct ones).

The product of its digits is 28901376, while the sum is 64.

Multiplying 1712884147984 by its sum of digits (64), we get a square (109624585470976 = 104701762).

The spelling of 1712884147984 in words is "one trillion, seven hundred twelve billion, eight hundred eighty-four million, one hundred forty-seven thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 16 327193 654386 1308772 2617544 5235088 107055259249 214110518498 428221036996 856442073992 1712884147984