Base | Representation |
---|---|
bin | 11000011111000011… |
… | …00100101011010001 |
3 | 1020221010022112102010 |
4 | 30033201210223101 |
5 | 203410203023410 |
6 | 10012222413133 |
7 | 643516503642 |
oct | 141741445321 |
9 | 36833275363 |
10 | 13145361105 |
11 | 56362393a8 |
12 | 266a4311a9 |
13 | 13165382a6 |
14 | 8c9ba76c9 |
15 | 51e0b6c20 |
hex | 30f864ad1 |
13145361105 has 32 divisors (see below), whose sum is σ = 21138695424. Its totient is φ = 6975553536.
The previous prime is 13145361067. The next prime is 13145361107. The reversal of 13145361105 is 50116354131.
It is not a de Polignac number, because 13145361105 - 26 = 13145361041 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13145361107) 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, 5021757 + ... + 5024373.
It is an arithmetic number, because the mean of its divisors is an integer number (660584232).
Almost surely, 213145361105 is an apocalyptic number.
13145361105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13145361105 is a deficient number, since it is larger than the sum of its proper divisors (7993334319).
13145361105 is a wasteful number, since it uses less digits than its factorization.
13145361105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4185.
The product of its (nonzero) digits is 5400, while the sum is 30.
The spelling of 13145361105 in words is "thirteen billion, one hundred forty-five million, three hundred sixty-one thousand, one hundred five".
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