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204044322131 = 13191934319931
BaseRepresentation
bin1011111000000111111…
…1010100010101010011
3201111200012101112110222
42332001333110111103
511320340321302011
6233423041543255
720512260056426
oct2760177242523
9644605345428
10204044322131
1179597778291
1233666044b2b
131631a18b7b0
149c392919bd
155493551ddb
hex2f81fd4553

204044322131 has 32 divisors (see below), whose sum is σ = 233066695680. Its totient is φ = 177081292800.

The previous prime is 204044322127. The next prime is 204044322151. The reversal of 204044322131 is 131223440402.

It is a cyclic number.

It is not a de Polignac number, because 204044322131 - 22 = 204044322127 is a prime.

It is a super-2 number, since 2×2040443221312 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 204044322131.

It is not an unprimeable number, because it can be changed into a prime (204044322151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20541236 + ... + 20551166.

It is an arithmetic number, because the mean of its divisors is an integer number (7283334240).

Almost surely, 2204044322131 is an apocalyptic number.

204044322131 is a deficient number, since it is larger than the sum of its proper divisors (29022373549).

204044322131 is a wasteful number, since it uses less digits than its factorization.

204044322131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10587.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 204044322131 its reverse (131223440402), we get a palindrome (335267762533).

The spelling of 204044322131 in words is "two hundred four billion, forty-four million, three hundred twenty-two thousand, one hundred thirty-one".

Divisors: 1 13 19 193 247 431 2509 3667 5603 8189 9931 47671 83183 106457 129103 188689 1081379 1580477 1916683 2452957 4280261 20546201 24916879 36416977 55643393 81324959 473420701 826090373 1057224467 10739174849 15695717087 204044322131