Base | Representation |
---|---|
bin | 1111011010011… |
… | …01110011001001 |
3 | 100000021210100122 |
4 | 13231031303021 |
5 | 231044343023 |
6 | 20455113025 |
7 | 3126656006 |
oct | 755156311 |
9 | 300253318 |
10 | 129293513 |
11 | 66a8a148 |
12 | 37372775 |
13 | 20a2c04b |
14 | 132588ad |
15 | b53e2c8 |
hex | 7b4dcc9 |
129293513 has 8 divisors (see below), whose sum is σ = 134006400. Its totient is φ = 124597648.
The previous prime is 129293501. The next prime is 129293519. The reversal of 129293513 is 315392921.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 129293513 - 216 = 129227977 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (129293519) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12368 + ... + 20286.
It is an arithmetic number, because the mean of its divisors is an integer number (16750800).
Almost surely, 2129293513 is an apocalyptic number.
It is an amenable number.
129293513 is a deficient number, since it is larger than the sum of its proper divisors (4712887).
129293513 is an equidigital number, since it uses as much as digits as its factorization.
129293513 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8511.
The product of its digits is 14580, while the sum is 35.
The square root of 129293513 is about 11370.7305394157. The cubic root of 129293513 is about 505.6603627780.
The spelling of 129293513 in words is "one hundred twenty-nine million, two hundred ninety-three thousand, five hundred thirteen".
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