Base | Representation |
---|---|
bin | 10001010011010… |
… | …00001000010011 |
3 | 101010002100221022 |
4 | 20221220020103 |
5 | 244123130003 |
6 | 22222350055 |
7 | 3411404354 |
oct | 1051501023 |
9 | 333070838 |
10 | 145130003 |
11 | 74a16357 |
12 | 4072b32b |
13 | 240b5355 |
14 | 153bbd2b |
15 | cb1b738 |
hex | 8a68213 |
145130003 has 8 divisors (see below), whose sum is σ = 158624640. Its totient is φ = 132186240.
The previous prime is 145129997. The next prime is 145130047. The reversal of 145130003 is 300031541.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 145130003 - 26 = 145129939 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (145130093) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137168 + ... + 138221.
It is an arithmetic number, because the mean of its divisors is an integer number (19828080).
Almost surely, 2145130003 is an apocalyptic number.
145130003 is a deficient number, since it is larger than the sum of its proper divisors (13494637).
145130003 is a wasteful number, since it uses less digits than its factorization.
145130003 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 275437.
The product of its (nonzero) digits is 180, while the sum is 17.
The square root of 145130003 is about 12046.9914501505. The cubic root of 145130003 is about 525.5157477485.
Adding to 145130003 its reverse (300031541), we get a palindrome (445161544).
The spelling of 145130003 in words is "one hundred forty-five million, one hundred thirty thousand, three".
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