Base | Representation |
---|---|
bin | 1111100100101… |
… | …00001111100100 |
3 | 100002210201112102 |
4 | 13302110033210 |
5 | 231420140003 |
6 | 20543511232 |
7 | 3144225212 |
oct | 762241744 |
9 | 302721472 |
10 | 130630628 |
11 | 678127a7 |
12 | 378b8518 |
13 | 210a983b |
14 | 134c5cb2 |
15 | b705588 |
hex | 7c943e4 |
130630628 has 24 divisors (see below), whose sum is σ = 232714944. Its totient is φ = 64148000.
The previous prime is 130630607. The next prime is 130630631. The reversal of 130630628 is 826036031.
It is a self number, because there is not a number n which added to its sum of digits gives 130630628.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89303 + ... + 90753.
It is an arithmetic number, because the mean of its divisors is an integer number (9696456).
Almost surely, 2130630628 is an apocalyptic number.
It is an amenable number.
130630628 is a deficient number, since it is larger than the sum of its proper divisors (102084316).
130630628 is a wasteful number, since it uses less digits than its factorization.
130630628 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1843 (or 1841 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 29.
The square root of 130630628 is about 11429.3756609887. The cubic root of 130630628 is about 507.3975177084.
Adding to 130630628 its reverse (826036031), we get a palindrome (956666659).
The spelling of 130630628 in words is "one hundred thirty million, six hundred thirty thousand, six hundred twenty-eight".
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