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205352034144 = 25310919624621
BaseRepresentation
bin1011111100111111101…
…1110101111101100000
3201122001100002012010020
42333033323311331200
511331030110043034
6234200514433440
720556546330045
oct2771773657540
9648040065106
10205352034144
117a0a8962714
123396bb92880
1316498096a9a
149d20c1d1cc
15551d267249
hex2fcfef5f60

205352034144 has 48 divisors (see below), whose sum is σ = 543994521840. Its totient is φ = 67822686720.

The previous prime is 205352034103. The next prime is 205352034163. The reversal of 205352034144 is 441430253502.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9801847 + ... + 9822774.

It is an arithmetic number, because the mean of its divisors is an integer number (11333219205).

Almost surely, 2205352034144 is an apocalyptic number.

205352034144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

205352034144 is an abundant number, since it is smaller than the sum of its proper divisors (338642487696).

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

205352034144 is a wasteful number, since it uses less digits than its factorization.

205352034144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19624743 (or 19624735 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 205352034144 its reverse (441430253502), we get a palindrome (646782287646).

The spelling of 205352034144 in words is "two hundred five billion, three hundred fifty-two million, thirty-four thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 109 218 327 436 654 872 1308 1744 2616 3488 5232 10464 19624621 39249242 58873863 78498484 117747726 156996968 235495452 313993936 470990904 627987872 941981808 1883963616 2139083689 4278167378 6417251067 8556334756 12834502134 17112669512 25669004268 34225339024 51338008536 68450678048 102676017072 205352034144