Search a number
-
+
6384475669504 = 2102814
BaseRepresentation
bin101110011101000000001…
…1001111000010000000000
3211121100110002100012222111
41130322000121320100000
51314100401232411004
621324553154545104
71226156154532342
oct134720031702000
924540402305874
106384475669504
112041706088549
1287142bb98194
1337409062b75a
14181020281292
15b111c9e9a04
hex5ce80678400

6384475669504 has 55 divisors (see below), whose sum is σ = 12808297629835. Its totient is φ = 3180877557760.

The previous prime is 6384475669487. The next prime is 6384475669513. The reversal of 6384475669504 is 4059665744836.

It is a happy number.

The square root of 6384475669504 is 2526752.

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

It can be written as a sum of positive squares in 2 ways, for example, as 789169275904 + 5595306393600 = 888352^2 + 2365440^2 .

It is an ABA number since it can be written as A⋅BA, here for A=4, B=1124.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6384475669504.

It is an unprimeable number.

It is a polite number, since it can be written in 4 ways as a sum of consecutive naturals, for example, 22720553844 + ... + 22720554124.

Almost surely, 26384475669504 is an apocalyptic number.

6384475669504 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

6384475669504 is the 2526752-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6384475669504

6384475669504 is an abundant number, since it is smaller than the sum of its proper divisors (6423821960331).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6384475669504 is an frugal number, since it uses more digits than its factorization.

6384475669504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 522547200, while the sum is 67.

The spelling of 6384475669504 in words is "six trillion, three hundred eighty-four billion, four hundred seventy-five million, six hundred sixty-nine thousand, five hundred four".

Divisors: 1 2 4 8 16 32 64 128 256 281 512 562 1024 1124 2248 4496 8992 17984 35968 71936 78961 143872 157922 287744 315844 631688 1263376 2526752 5053504 10107008 20214016 22188041 40428032 44376082 80856064 88752164 177504328 355008656 710017312 1420034624 2840069248 5680138496 6234839521 11360276992 12469679042 22720553984 24939358084 49878716168 99757432336 199514864672 399029729344 798059458688 1596118917376 3192237834752 6384475669504