Base | Representation |
---|---|
bin | 10001010011010… |
… | …00001000011011 |
3 | 101010002100221121 |
4 | 20221220020123 |
5 | 244123130021 |
6 | 22222350111 |
7 | 3411404365 |
oct | 1051501033 |
9 | 333070847 |
10 | 145130011 |
11 | 74a16364 |
12 | 4072b337 |
13 | 240b5360 |
14 | 153bbd35 |
15 | cb1b741 |
hex | 8a6821b |
145130011 has 4 divisors (see below), whose sum is σ = 156293872. Its totient is φ = 133966152.
The previous prime is 145129997. The next prime is 145130047. The reversal of 145130011 is 110031541.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 145130011 - 25 = 145129979 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (145130311) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5581911 + ... + 5581936.
It is an arithmetic number, because the mean of its divisors is an integer number (39073468).
Almost surely, 2145130011 is an apocalyptic number.
145130011 is a deficient number, since it is larger than the sum of its proper divisors (11163861).
145130011 is a wasteful number, since it uses less digits than its factorization.
145130011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11163860.
The product of its (nonzero) digits is 60, while the sum is 16.
The square root of 145130011 is about 12046.9917821836. The cubic root of 145130011 is about 525.5157574045.
Adding to 145130011 its reverse (110031541), we get a palindrome (255161552).
The spelling of 145130011 in words is "one hundred forty-five million, one hundred thirty thousand, eleven".
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