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204785322419 = 997415749411
BaseRepresentation
bin1011111010111000101…
…0000000100110110011
3201120120211201020210002
42332232022000212303
511323400020304134
6234024352100215
720536525343216
oct2765612004663
9646524636702
10204785322419
1179937a80817
123383223466b
1316407854ac2
149ca985d77d
1554d862287e
hex2fae2809b3

204785322419 has 8 divisors (see below), whose sum is σ = 205044185808. Its totient is φ = 204526568160.

The previous prime is 204785322377. The next prime is 204785322421. The reversal of 204785322419 is 914223587402.

204785322419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 204785322419 - 28 = 204785322163 is a prime.

It is a super-2 number, since 2×2047853224192 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204785322449) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4119824 + ... + 4169234.

It is an arithmetic number, because the mean of its divisors is an integer number (25630523226).

Almost surely, 2204785322419 is an apocalyptic number.

204785322419 is a deficient number, since it is larger than the sum of its proper divisors (258863389).

204785322419 is an equidigital number, since it uses as much as digits as its factorization.

204785322419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54565.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 204785322419 in words is "two hundred four billion, seven hundred eighty-five million, three hundred twenty-two thousand, four hundred nineteen".

Divisors: 1 997 4157 49411 4144529 49262767 205401527 204785322419