Search a number
-
+
105555556105101 = 32192412376133349
BaseRepresentation
bin11000000000000010010001…
…011011001111101110001101
3111211202000100012020220220200
4120000002101123033232031
5102313410234330330401
61012255315242404113
731143065036654004
oct3000022133175615
9454660305226820
10105555556105101
11306a6950659183
12ba0945a200639
1346b8b0022383b
141c0ccb7dabc3b
15c30b2016c686
hex6000916cfb8d

105555556105101 has 72 divisors (see below), whose sum is σ = 164852845630200. Its totient is φ = 65035963238400.

The previous prime is 105555556105093. The next prime is 105555556105217. The reversal of 105555556105101 is 101501655555501.

105555556105101 is a `hidden beast` number, since 10 + 5 + 5 + 5 + 5 + 5 + 5 + 610 + 5 + 10 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 19886203766025 + 85669352339076 = 4459395^2 + 9255774^2 .

It is not a de Polignac number, because 105555556105101 - 23 = 105555556105093 is a prime.

It is a super-2 number, since 2×1055555561051012 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105555556104101) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3165162375 + ... + 3165195723.

It is an arithmetic number, because the mean of its divisors is an integer number (2289622855975).

Almost surely, 2105555556105101 is an apocalyptic number.

It is an amenable number.

105555556105101 is a deficient number, since it is larger than the sum of its proper divisors (59297289525099).

105555556105101 is a wasteful number, since it uses less digits than its factorization.

105555556105101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57195 (or 57173 counting only the distinct ones).

The product of its (nonzero) digits is 468750, while the sum is 45.

The spelling of 105555556105101 in words is "one hundred five trillion, five hundred fifty-five billion, five hundred fifty-six million, one hundred five thousand, one hundred one".

Divisors: 1 3 9 19 41 57 123 171 361 369 779 1083 2337 3249 7011 14801 23761 33349 44403 71283 100047 133209 213849 300141 451459 633631 974201 1354377 1367309 1900893 2922603 4063131 4101927 5702679 8577721 8767809 12038989 12305781 18509819 25733163 25978871 36116967 55529457 77199489 77936613 108350901 166588371 233809839 351686561 493598549 792405589 1055059683 1480795647 2377216767 3165179049 4442386941 7131650301 15055706191 32488629149 45167118573 97465887447 135501355719 286058417629 292397662341 617283953831 858175252887 1851851861493 2574525758661 5555555584479 11728395122789 35185185368367 105555556105101