Base | Representation |
---|---|
bin | 1111100000111… |
… | …10000011110001 |
3 | 100001220010111102 |
4 | 13300132003301 |
5 | 231304142140 |
6 | 20525254145 |
7 | 3140140664 |
oct | 760360361 |
9 | 301803442 |
10 | 130146545 |
11 | 67512031 |
12 | 37704355 |
13 | 20c6a3b9 |
14 | 133db6db |
15 | b65be15 |
hex | 7c1e0f1 |
130146545 has 8 divisors (see below), whose sum is σ = 157609320. Its totient is φ = 103161600.
The previous prime is 130146539. The next prime is 130146547. The reversal of 130146545 is 545641031.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 277729 + 129868816 = 527^2 + 11396^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 130146545 - 24 = 130146529 is a prime.
It is not an unprimeable number, because it can be changed into a prime (130146547) 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, 118856 + ... + 119945.
It is an arithmetic number, because the mean of its divisors is an integer number (19701165).
Almost surely, 2130146545 is an apocalyptic number.
It is an amenable number.
130146545 is a deficient number, since it is larger than the sum of its proper divisors (27462775).
130146545 is a wasteful number, since it uses less digits than its factorization.
130146545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 238915.
The product of its (nonzero) digits is 7200, while the sum is 29.
The square root of 130146545 is about 11408.1788643061. The cubic root of 130146545 is about 506.7699809997.
Adding to 130146545 its reverse (545641031), we get a palindrome (675787576).
The spelling of 130146545 in words is "one hundred thirty million, one hundred forty-six thousand, five hundred forty-five".
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