Base | Representation |
---|---|
bin | 1111100000111… |
… | …01101000111101 |
3 | 100001220001010212 |
4 | 13300131220331 |
5 | 231304113304 |
6 | 20525242205 |
7 | 3140132663 |
oct | 760355075 |
9 | 301801125 |
10 | 130144829 |
11 | 67510811 |
12 | 37703365 |
13 | 20c69699 |
14 | 133dac33 |
15 | b65b66e |
hex | 7c1da3d |
130144829 has 2 divisors, whose sum is σ = 130144830. Its totient is φ = 130144828.
The previous prime is 130144823. The next prime is 130144831. The reversal of 130144829 is 928441031.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 85562500 + 44582329 = 9250^2 + 6677^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-130144829 is a prime.
Together with 130144831, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 130144795 and 130144804.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (130144823) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65072414 + 65072415.
It is an arithmetic number, because the mean of its divisors is an integer number (65072415).
Almost surely, 2130144829 is an apocalyptic number.
It is an amenable number.
130144829 is a deficient number, since it is larger than the sum of its proper divisors (1).
130144829 is an equidigital number, since it uses as much as digits as its factorization.
130144829 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6912, while the sum is 32.
The square root of 130144829 is about 11408.1036548587. The cubic root of 130144829 is about 506.7677537127.
The spelling of 130144829 in words is "one hundred thirty million, one hundred forty-four thousand, eight hundred twenty-nine".
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