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204741222025 = 5253154521677
BaseRepresentation
bin1011111010101110000…
…1110001111010001001
3201120110202201201102011
42332223201301322021
511323302223101100
6234020134535521
720535451446514
oct2765341617211
9646422651364
10204741222025
117991509a50a
123381b5075a1
13163cb683ab2
149ca3a5dd7b
1554d4810bba
hex2fab871e89

204741222025 has 12 divisors (see below), whose sum is σ = 258669288972. Its totient is φ = 160702543040.

The previous prime is 204741222001. The next prime is 204741222121. The reversal of 204741222025 is 520222147402.

It can be written as a sum of positive squares in 6 ways, for example, as 9105739776 + 195635482249 = 95424^2 + 442307^2 .

It is not a de Polignac number, because 204741222025 - 233 = 196151287433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77259514 + ... + 77262163.

It is an arithmetic number, because the mean of its divisors is an integer number (21555774081).

Almost surely, 2204741222025 is an apocalyptic number.

204741222025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204741222025 is a deficient number, since it is larger than the sum of its proper divisors (53928066947).

204741222025 is a wasteful number, since it uses less digits than its factorization.

204741222025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154521740 (or 154521735 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 31.

Adding to 204741222025 its reverse (520222147402), we get a palindrome (724963369427).

The spelling of 204741222025 in words is "two hundred four billion, seven hundred forty-one million, two hundred twenty-two thousand, twenty-five".

Divisors: 1 5 25 53 265 1325 154521677 772608385 3863041925 8189648881 40948244405 204741222025