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204343255293 = 3493331380707
BaseRepresentation
bin1011111001001111001…
…1101010000011111101
3201112110000212220200120
42332103303222003331
511321443333132133
6233512441045153
720522550003612
oct2762363520375
9645400786616
10204343255293
1179730493191
123372a1867b9
13163670a4b18
149c66c68509
1554ae8eeab3
hex2f93cea0fd

204343255293 has 8 divisors (see below), whose sum is σ = 272463393888. Its totient is φ = 136225976784.

The previous prime is 204343255283. The next prime is 204343255331. The reversal of 204343255293 is 392552343402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204343255293 - 224 = 204326478077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204343255223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 542355 + ... + 838352.

It is an arithmetic number, because the mean of its divisors is an integer number (34057924236).

Almost surely, 2204343255293 is an apocalyptic number.

It is an amenable number.

204343255293 is a deficient number, since it is larger than the sum of its proper divisors (68120138595).

204343255293 is a wasteful number, since it uses less digits than its factorization.

204343255293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430043.

The product of its (nonzero) digits is 777600, while the sum is 42.

Adding to 204343255293 its reverse (392552343402), we get a palindrome (596895598695).

The spelling of 204343255293 in words is "two hundred four billion, three hundred forty-three million, two hundred fifty-five thousand, two hundred ninety-three".

Divisors: 1 3 49333 147999 1380707 4142121 68114418431 204343255293