Base | Representation |
---|---|
bin | 1111100001011… |
… | …10011001000100 |
3 | 100002000112021011 |
4 | 13300232121010 |
5 | 231313312234 |
6 | 20530532004 |
7 | 3140540014 |
oct | 760563104 |
9 | 302015234 |
10 | 130213444 |
11 | 67558319 |
12 | 37737004 |
13 | 20c9199a |
14 | 13417c44 |
15 | b671b64 |
hex | 7c2e644 |
130213444 has 6 divisors (see below), whose sum is σ = 227873534. Its totient is φ = 65106720.
The previous prime is 130213439. The next prime is 130213463. The reversal of 130213444 is 444312031.
It can be written as a sum of positive squares in only one way, i.e., 122988100 + 7225344 = 11090^2 + 2688^2 .
It is a super-2 number, since 2×1302134442 = 33911081996682272, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16276677 + ... + 16276684.
Almost surely, 2130213444 is an apocalyptic number.
It is an amenable number.
130213444 is a deficient number, since it is larger than the sum of its proper divisors (97660090).
130213444 is a wasteful number, since it uses less digits than its factorization.
130213444 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32553365 (or 32553363 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 22.
The square root of 130213444 is about 11411.1105506870. The cubic root of 130213444 is about 506.8567974872.
Adding to 130213444 its reverse (444312031), we get a palindrome (574525475).
The spelling of 130213444 in words is "one hundred thirty million, two hundred thirteen thousand, four hundred forty-four".
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