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55065105060161 = 7219103751764627
BaseRepresentation
bin11001000010100110110000…
…00001101101000101000001
321012222011122211221010022112
430201103120001231011001
524204141313343411121
6313040320545145105
714412215431154300
oct1441233001550501
9235864584833275
1055065105060161
11165aaa86297999
126213ba032b195
132495803a98a81
14d85245852437
15657582d8e75b
hex3214d806d141

55065105060161 has 48 divisors (see below), whose sum is σ = 68172030351360. Its totient is φ = 44221380084000.

The previous prime is 55065105060157. The next prime is 55065105060179. The reversal of 55065105060161 is 16106050156055.

It is not a de Polignac number, because 55065105060161 - 22 = 55065105060157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55065105060131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71633330 + ... + 72397956.

It is an arithmetic number, because the mean of its divisors is an integer number (1420250632320).

Almost surely, 255065105060161 is an apocalyptic number.

It is an amenable number.

55065105060161 is a deficient number, since it is larger than the sum of its proper divisors (13106925291199).

55065105060161 is a wasteful number, since it uses less digits than its factorization.

55065105060161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765514 (or 765507 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 55065105060161 in words is "fifty-five trillion, sixty-five billion, one hundred five million, sixty thousand, one hundred sixty-one".

Divisors: 1 7 19 49 103 133 721 751 931 1957 5047 5257 13699 14269 36799 77353 95893 99883 541471 699181 764627 1469707 3790297 5352389 10287949 14527913 37466723 72015643 78756581 101695391 551296067 574234877 711867737 1496375039 3859072469 4019644139 10474625273 10910462663 28137508973 59146192331 73322376911 76373238641 414023346317 534612670487 1123777654289 2898163424219 7866443580023 55065105060161