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205379000000 = 2656593
BaseRepresentation
bin1011111101000110001…
…0101101011011000000
3201122010012211012022122
42333101202231123000
511331104011000000
6234203320423412
720560324460516
oct2772142553300
9648105735278
10205379000000
117a112100549
1233979017b68
13164a0848a05
149d2463c4b6
1555207e2085
hex2fd18ad6c0

205379000000 has 196 divisors, whose sum is σ = 518212898040. Its totient is φ = 80759200000.

The previous prime is 205378999967. The next prime is 205379000011. The reversal of 205379000000 is 973502.

The cubic root of 205379000000 is 5900.

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

205379000000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 27 ways as a sum of consecutive naturals, for example, 3480999971 + ... + 3481000029.

Almost surely, 2205379000000 is an apocalyptic number.

205379000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 205379000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259106449020).

205379000000 is an abundant number, since it is smaller than the sum of its proper divisors (312833898040).

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

205379000000 is an frugal number, since it uses more digits than its factorization.

205379000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 26.

Adding to 205379000000 its reverse (973502), we get a palindrome (205379973502).

The spelling of 205379000000 in words is "two hundred five billion, three hundred seventy-nine million", and thus it is an aban number.