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204528910001 = 1317925470181
BaseRepresentation
bin1011111001111011011…
…1110111111010110001
3201112220222020011001212
42332132313313322301
511322333400110001
6233543112205505
720530263023153
oct2763667677261
9645828204055
10204528910001
1179816268329
1233780399895
13163966a8790
149c83794ad3
1554c0d737bb
hex2f9edf7eb1

204528910001 has 8 divisors (see below), whose sum is σ = 233218485864. Its totient is φ = 177690274560.

The previous prime is 204528909943. The next prime is 204528910009. The reversal of 204528910001 is 100019825402.

It can be written as a sum of positive squares in 4 ways, for example, as 24964000000 + 179564910001 = 158000^2 + 423751^2 .

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 204528910001 - 210 = 204528908977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 204528910001.

It is not an unprimeable number, because it can be changed into a prime (204528910009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462734870 + ... + 462735311.

It is an arithmetic number, because the mean of its divisors is an integer number (29152310733).

Almost surely, 2204528910001 is an apocalyptic number.

It is an amenable number.

204528910001 is a deficient number, since it is larger than the sum of its proper divisors (28689575863).

204528910001 is a wasteful number, since it uses less digits than its factorization.

204528910001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925470211.

The product of its (nonzero) digits is 5760, while the sum is 32.

The spelling of 204528910001 in words is "two hundred four billion, five hundred twenty-eight million, nine hundred ten thousand, one".

Divisors: 1 13 17 221 925470181 12031112353 15732993077 204528910001