Base | Representation |
---|---|
bin | 1111011010011… |
… | …11101101000001 |
3 | 100000022012001112 |
4 | 13231033231001 |
5 | 231100120223 |
6 | 20455213105 |
7 | 3130020521 |
oct | 755175501 |
9 | 300265045 |
10 | 129301313 |
11 | 66a94a99 |
12 | 37377195 |
13 | 20a3276b |
14 | 1325b681 |
15 | b541778 |
hex | 7b4fb41 |
129301313 has 2 divisors, whose sum is σ = 129301314. Its totient is φ = 129301312.
The previous prime is 129301297. The next prime is 129301321. The reversal of 129301313 is 313103921.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 96491329 + 32809984 = 9823^2 + 5728^2 .
It is a cyclic number.
It is not a de Polignac number, because 129301313 - 24 = 129301297 is a prime.
It is not a weakly prime, because it can be changed into another prime (129301363) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64650656 + 64650657.
It is an arithmetic number, because the mean of its divisors is an integer number (64650657).
Almost surely, 2129301313 is an apocalyptic number.
It is an amenable number.
129301313 is a deficient number, since it is larger than the sum of its proper divisors (1).
129301313 is an equidigital number, since it uses as much as digits as its factorization.
129301313 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 486, while the sum is 23.
The square root of 129301313 is about 11371.0735201211. The cubic root of 129301313 is about 505.6705310414.
The spelling of 129301313 in words is "one hundred twenty-nine million, three hundred one thousand, three hundred thirteen".
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