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387430594322 = 24401312
BaseRepresentation
bin1011010001101001010…
…10011011011100010010
31101001000201000101220012
411220310222123130102
522321424213004242
6453552210114522
736663614500262
oct5506452333422
91331021011805
10387430594322
1113a343519922
126310587ba42
132a6c45305a5
1414a74ac37a2
15a1281a0282
hex5a34a9b712

387430594322 has 6 divisors (see below), whose sum is σ = 581147211879. Its totient is φ = 193714857030.

The previous prime is 387430594279. The next prime is 387430594333. The reversal of 387430594322 is 223495034783.

It can be written as a sum of positive squares in only one way, i.e., 193715297161 + 193715297161 = 440131^2 + 440131^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=440131.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 660197 + ... + 1100327.

Almost surely, 2387430594322 is an apocalyptic number.

387430594322 is a deficient number, since it is larger than the sum of its proper divisors (193716617557).

387430594322 is an frugal number, since it uses more digits than its factorization.

387430594322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880264 (or 440133 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 50.

Multiplying 387430594322 by its sum of digits (50), we get a square (19371529716100 = 44013102).

The spelling of 387430594322 in words is "three hundred eighty-seven billion, four hundred thirty million, five hundred ninety-four thousand, three hundred twenty-two".

Divisors: 1 2 440131 880262 193715297161 387430594322