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105506106005005 = 53119123531151451
BaseRepresentation
bin10111111111010100001101…
…111110000101011000001101
3111211120021200221011120010221
4113333110031332011120031
5102312103001114130010
61012220500323231341
731136364443024656
oct2777241576053015
9454507627146127
10105506106005005
1130687985335062
12b9bb959518551
1346b424c38a894
141c0a74670252d
15c2e6c8beadda
hex5ff50df8560d

105506106005005 has 32 divisors (see below), whose sum is σ = 131382133456896. Its totient is φ = 81250501800000.

The previous prime is 105506106004967. The next prime is 105506106005009. The reversal of 105506106005005 is 500500601605501.

It is not a de Polignac number, because 105506106005005 - 223 = 105506097616397 is a prime.

It is a super-3 number, since 3×1055061060050053 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105506106005009) 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, 696559530 + ... + 696710980.

It is an arithmetic number, because the mean of its divisors is an integer number (4105691670528).

Almost surely, 2105506106005005 is an apocalyptic number.

It is an amenable number.

105506106005005 is a deficient number, since it is larger than the sum of its proper divisors (25876027451891).

105506106005005 is a wasteful number, since it uses less digits than its factorization.

105506106005005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175209.

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 105506106005005 in words is "one hundred five trillion, five hundred six billion, one hundred six million, five thousand, five".

Divisors: 1 5 31 155 191 955 5921 23531 29605 117655 151451 729461 757255 3647305 4494421 4694981 22472105 23474905 28927141 139327051 144635705 696635255 896741371 3563793481 4483706855 17818967405 110477597911 552387989555 680684554871 3403422774355 21101221201001 105506106005005