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520042205440422 = 23273488917228677
BaseRepresentation
bin111011000111110011100001…
…0111011000110100110100110
32112012022112211110000200002100
41312033213002323012212212
51021130332414043043142
65042012031400552530
7214352544434346000
oct16617470273064646
92465275743020070
10520042205440422
1114077972a553985
124a3ab7b6482746
1319423a009149c2
14925c269b3b370
15401c757baeb4c
hex1d8f9c2ec69a6

520042205440422 has 96 divisors (see below), whose sum is σ = 1314272472552000. Its totient is φ = 148553087260032.

The previous prime is 520042205440409. The next prime is 520042205440427. The reversal of 520042205440422 is 224044502240025.

520042205440422 is a `hidden beast` number, since 5 + 2 + 0 + 0 + 4 + 2 + 205 + 440 + 4 + 2 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520042205440427) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21570348 + ... + 38799024.

It is an arithmetic number, because the mean of its divisors is an integer number (13690338255750).

Almost surely, 2520042205440422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520042205440422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (657136236276000).

520042205440422 is an abundant number, since it is smaller than the sum of its proper divisors (794230267111578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520042205440422 is a wasteful number, since it uses less digits than its factorization.

520042205440422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17233595 (or 17233578 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 36.

Adding to 520042205440422 its reverse (224044502240025), we get a palindrome (744086707680447).

The spelling of 520042205440422 in words is "five hundred twenty trillion, forty-two billion, two hundred five million, four hundred forty thousand, four hundred twenty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 49 63 98 126 147 294 343 441 686 882 1029 2058 3087 4889 6174 9778 14667 29334 34223 44001 68446 88002 102669 205338 239561 308007 479122 616014 718683 1437366 1676927 2156049 3353854 4312098 5030781 10061562 15092343 17228677 30184686 34457354 51686031 103372062 120600739 155058093 241201478 310116186 361802217 723604434 844205173 1085406651 1688410346 2170813302 2532615519 5065231038 5909436211 7597846557 11818872422 15195693114 17728308633 35456617266 53184925899 84231001853 106369851798 168462003706 252693005559 505386011118 589617012971 758079016677 1179234025942 1516158033354 1768851038913 3537702077826 4127319090797 5306553116739 8254638181594 10613106233478 12381957272391 24763914544782 28891233635579 37145871817173 57782467271158 74291743634346 86673700906737 173347401813474 260021102720211 520042205440422