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205384095359 = 832474507173
BaseRepresentation
bin1011111101000111011…
…0001001011001111111
3201122010120102001211122
42333101312021121333
511331111312022414
6234204021541155
720560416002012
oct2772166113177
9648116361748
10205384095359
117a114a70793
123397a8747bb
13164a1911011
149d251a7379
155520e9bb8e
hex2fd1d8967f

205384095359 has 4 divisors (see below), whose sum is σ = 207858602616. Its totient is φ = 202909588104.

The previous prime is 205384095337. The next prime is 205384095401. The reversal of 205384095359 is 953590483502.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-205384095359 is a prime.

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 205384095359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205384095859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1237253504 + ... + 1237253669.

It is an arithmetic number, because the mean of its divisors is an integer number (51964650654).

Almost surely, 2205384095359 is an apocalyptic number.

205384095359 is a deficient number, since it is larger than the sum of its proper divisors (2474507257).

205384095359 is an equidigital number, since it uses as much as digits as its factorization.

205384095359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2474507256.

The product of its (nonzero) digits is 5832000, while the sum is 53.

The spelling of 205384095359 in words is "two hundred five billion, three hundred eighty-four million, ninety-five thousand, three hundred fifty-nine".

Divisors: 1 83 2474507173 205384095359