Base | Representation |
---|---|
bin | 1111100000110… |
… | …10001111110001 |
3 | 100001212100002001 |
4 | 13300122033301 |
5 | 231303142204 |
6 | 20525054001 |
7 | 3140044315 |
oct | 760321761 |
9 | 301770061 |
10 | 130130929 |
11 | 67501325 |
12 | 376b7301 |
13 | 20c63266 |
14 | 133d5b45 |
15 | b6574a4 |
hex | 7c1a3f1 |
130130929 has 2 divisors, whose sum is σ = 130130930. Its totient is φ = 130130928.
The previous prime is 130130927. The next prime is 130130947. The reversal of 130130929 is 929031031.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 116640000 + 13490929 = 10800^2 + 3673^2 .
It is a cyclic number.
It is not a de Polignac number, because 130130929 - 21 = 130130927 is a prime.
Together with 130130927, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 130130897 and 130130906.
It is not a weakly prime, because it can be changed into another prime (130130927) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65065464 + 65065465.
It is an arithmetic number, because the mean of its divisors is an integer number (65065465).
Almost surely, 2130130929 is an apocalyptic number.
It is an amenable number.
130130929 is a deficient number, since it is larger than the sum of its proper divisors (1).
130130929 is an equidigital number, since it uses as much as digits as its factorization.
130130929 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1458, while the sum is 28.
The square root of 130130929 is about 11407.4944225277. The cubic root of 130130929 is about 506.7497114475.
The spelling of 130130929 in words is "one hundred thirty million, one hundred thirty thousand, nine hundred twenty-nine".
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