Base | Representation |
---|---|
bin | 1111100000111… |
… | …01100000111000 |
3 | 100001220000102201 |
4 | 13300131200320 |
5 | 231304104222 |
6 | 20525235544 |
7 | 3140131324 |
oct | 760354070 |
9 | 301800381 |
10 | 130144312 |
11 | 67510391 |
12 | 37702bb4 |
13 | 20c6938c |
14 | 133da984 |
15 | b65b427 |
hex | 7c1d838 |
130144312 has 8 divisors (see below), whose sum is σ = 244020600. Its totient is φ = 65072152.
The previous prime is 130144303. The next prime is 130144331. The reversal of 130144312 is 213441031.
It is a tau number, because it is divible by the number of its divisors (8).
It is a self number, because there is not a number n which added to its sum of digits gives 130144312.
It is a congruent number.
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, 8134012 + ... + 8134027.
It is an arithmetic number, because the mean of its divisors is an integer number (30502575).
Almost surely, 2130144312 is an apocalyptic number.
It is an amenable number.
130144312 is a deficient number, since it is larger than the sum of its proper divisors (113876288).
130144312 is a wasteful number, since it uses less digits than its factorization.
130144312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16268045 (or 16268041 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 130144312 is about 11408.0809955049. The cubic root of 130144312 is about 506.7670826673.
Adding to 130144312 its reverse (213441031), we get a palindrome (343585343).
The spelling of 130144312 in words is "one hundred thirty million, one hundred forty-four thousand, three hundred twelve".
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