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105081065 = 5295971173
BaseRepresentation
bin1100100001101…
…10100011101001
321022201200010022
412100312203221
5203400043230
614232130225
72414113535
oct620664351
9238650108
10105081065
1154351a61
122b236975
1318a0245b
14dd54bc5
15935a1e5
hex64368e9

105081065 has 32 divisors (see below), whose sum is σ = 135302400. Its totient is φ = 78211840.

The previous prime is 105081059. The next prime is 105081079. The reversal of 105081065 is 560180501.

It is not a de Polignac number, because 105081065 - 216 = 105015529 is a prime.

It is a super-2 number, since 2×1050810652 = 22084060443068450, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 607319 + ... + 607491.

It is an arithmetic number, because the mean of its divisors is an integer number (4228200).

Almost surely, 2105081065 is an apocalyptic number.

It is an amenable number.

105081065 is a deficient number, since it is larger than the sum of its proper divisors (30221335).

105081065 is a wasteful number, since it uses less digits than its factorization.

105081065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337.

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 105081065 is about 10250.9055697533. The cubic root of 105081065 is about 471.8907762806.

The spelling of 105081065 in words is "one hundred five million, eighty-one thousand, sixty-five".

Divisors: 1 5 29 59 71 145 173 295 355 865 1711 2059 4189 5017 8555 10207 10295 12283 20945 25085 51035 61415 121481 296003 356207 607405 724697 1480015 1781035 3623485 21016213 105081065