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204026068577 = 7913919396269
BaseRepresentation
bin1011111000000011100…
…1101011111001100001
3201111121221001011022102
42332000321223321201
511320321133143302
6233421150420145
720511645653162
oct2760071537141
9644557034272
10204026068577
1179588440101
123365bb01655
131631646a286
149c36a9d769
155491b48702
hex2f80e6be61

204026068577 has 16 divisors (see below), whose sum is σ = 209175456000. Its totient is φ = 198955920384.

The previous prime is 204026068541. The next prime is 204026068583. The reversal of 204026068577 is 775860620402.

It is a cyclic number.

It is not a de Polignac number, because 204026068577 - 224 = 204009291361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204026068877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2071199 + ... + 2167467.

It is an arithmetic number, because the mean of its divisors is an integer number (13073466000).

Almost surely, 2204026068577 is an apocalyptic number.

It is an amenable number.

204026068577 is a deficient number, since it is larger than the sum of its proper divisors (5149387423).

204026068577 is a wasteful number, since it uses less digits than its factorization.

204026068577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96680.

The product of its (nonzero) digits is 1128960, while the sum is 47.

Adding to 204026068577 its reverse (775860620402), we get a palindrome (979886688979).

The spelling of 204026068577 in words is "two hundred four billion, twenty-six million, sixty-eight thousand, five hundred seventy-seven".

Divisors: 1 79 139 193 10981 15247 26827 96269 2119333 7605251 13381391 18579917 1057129889 1467813443 2582608463 204026068577