Base | Representation |
---|---|
bin | 1111011010100… |
… | …00000110000010 |
3 | 100000022021020211 |
4 | 13231100012002 |
5 | 231100143124 |
6 | 20455224334 |
7 | 3130025266 |
oct | 755200602 |
9 | 300267224 |
10 | 129302914 |
11 | 66a96214 |
12 | 373780aa |
13 | 20a33400 |
14 | 1325c0a6 |
15 | b541e94 |
hex | 7b50182 |
129302914 has 12 divisors (see below), whose sum is σ = 210022146. Its totient is φ = 59678112.
The previous prime is 129302911. The next prime is 129302917. The reversal of 129302914 is 419203921.
It is an interprime number because it is at equal distance from previous prime (129302911) and next prime (129302917).
It can be written as a sum of positive squares in 3 ways, for example, as 39375625 + 89927289 = 6275^2 + 9483^2 .
It is not an unprimeable number, because it can be changed into a prime (129302911) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 190939 + ... + 191614.
Almost surely, 2129302914 is an apocalyptic number.
129302914 is a deficient number, since it is larger than the sum of its proper divisors (80719232).
129302914 is a wasteful number, since it uses less digits than its factorization.
129302914 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 382581 (or 382568 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 31.
The square root of 129302914 is about 11371.1439178299. The cubic root of 129302914 is about 505.6726180921.
The spelling of 129302914 in words is "one hundred twenty-nine million, three hundred two thousand, nine hundred fourteen".
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