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305041230205 = 5416171794349
BaseRepresentation
bin1000111000001011101…
…11111100100101111101
31002011100211220001111221
410130011313330211331
514444211023331310
6352044540113341
731016130450445
oct4340567744575
91064324801457
10305041230205
11108404905158
124b151835851
13229c4394c6a
1410a9a897125
157e0505bada
hex4705dfc97d

305041230205 has 64 divisors (see below), whose sum is σ = 391474944000. Its totient is φ = 227904768000.

The previous prime is 305041230203. The next prime is 305041230211. The reversal of 305041230205 is 502032140503.

It is not a de Polignac number, because 305041230205 - 21 = 305041230203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 305041230205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305041230203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 70138371 + ... + 70142719.

It is an arithmetic number, because the mean of its divisors is an integer number (6116796000).

Almost surely, 2305041230205 is an apocalyptic number.

It is an amenable number.

305041230205 is a deficient number, since it is larger than the sum of its proper divisors (86433713795).

305041230205 is a wasteful number, since it uses less digits than its factorization.

305041230205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4606.

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 305041230205 its reverse (502032140503), we get a palindrome (807073370708).

The spelling of 305041230205 in words is "three hundred five billion, forty-one million, two hundred thirty thousand, two hundred five".

Divisors: 1 5 41 61 71 79 205 305 355 395 2501 2911 3239 4331 4349 4819 5609 12505 14555 16195 21655 21745 24095 28045 177571 178309 197579 229969 265289 308779 342149 343571 887855 891545 987895 1149845 1326445 1543895 1710745 1717855 10876849 12659939 14028109 14086411 18835519 20957831 24393541 54384245 63299695 70140545 70432055 94177595 104789155 121967705 772256279 859271071 1000135181 1488006001 3861281395 4296355355 5000675905 7440030005 61008246041 305041230205