Base | Representation |
---|---|
bin | 1111100001011… |
… | …10111010110010 |
3 | 100002000122020002 |
4 | 13300232322302 |
5 | 231313344402 |
6 | 20530550002 |
7 | 3140546216 |
oct | 760567262 |
9 | 302018202 |
10 | 130215602 |
11 | 67559a00 |
12 | 37738302 |
13 | 20c9296a |
14 | 13418946 |
15 | b672602 |
hex | 7c2eeb2 |
130215602 has 24 divisors (see below), whose sum is σ = 218238636. Its totient is φ = 58212000.
The previous prime is 130215601. The next prime is 130215611. The reversal of 130215602 is 206512031.
It can be written as a sum of positive squares in 2 ways, for example, as 123187801 + 7027801 = 11099^2 + 2651^2 .
It is a super-2 number, since 2×1302156022 = 33912206008444808, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (130215601) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10352 + ... + 19172.
Almost surely, 2130215602 is an apocalyptic number.
130215602 is a deficient number, since it is larger than the sum of its proper divisors (88023034).
130215602 is a wasteful number, since it uses less digits than its factorization.
130215602 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8906 (or 8895 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 20.
The square root of 130215602 is about 11411.2051072619. The cubic root of 130215602 is about 506.8595974821.
Adding to 130215602 its reverse (206512031), we get a palindrome (336727633).
The spelling of 130215602 in words is "one hundred thirty million, two hundred fifteen thousand, six hundred two".
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