Base | Representation |
---|---|
bin | 1111011111111… |
… | …11110000101100 |
3 | 100001122211021002 |
4 | 13233333300230 |
5 | 231241204234 |
6 | 20522455432 |
7 | 3136113116 |
oct | 757776054 |
9 | 301584232 |
10 | 130022444 |
11 | 67437872 |
12 | 37664578 |
13 | 20c25a76 |
14 | 133a83b6 |
15 | b63527e |
hex | 7bffc2c |
130022444 has 12 divisors (see below), whose sum is σ = 227669568. Its totient is φ = 64974000.
The previous prime is 130022437. The next prime is 130022449. The reversal of 130022444 is 444220031.
It is not an unprimeable number, because it can be changed into a prime (130022449) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527 + ... + 16134.
It is an arithmetic number, because the mean of its divisors is an integer number (18972464).
Almost surely, 2130022444 is an apocalyptic number.
It is an amenable number.
130022444 is a deficient number, since it is larger than the sum of its proper divisors (97647124).
130022444 is a wasteful number, since it uses less digits than its factorization.
130022444 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18616 (or 18614 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 20.
The square root of 130022444 is about 11402.7384430232. The cubic root of 130022444 is about 506.6088532449.
Adding to 130022444 its reverse (444220031), we get a palindrome (574242475).
The spelling of 130022444 in words is "one hundred thirty million, twenty-two thousand, four hundred forty-four".
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