Base | Representation |
---|---|
bin | 1111011010011… |
… | …11101000100000 |
3 | 100000022011122211 |
4 | 13231033220200 |
5 | 231100113044 |
6 | 20455211504 |
7 | 3130016626 |
oct | 755175040 |
9 | 300264584 |
10 | 129301024 |
11 | 66a94856 |
12 | 37376b94 |
13 | 20a325a8 |
14 | 1325b516 |
15 | b541634 |
hex | 7b4fa20 |
129301024 has 24 divisors (see below), whose sum is σ = 263341260. Its totient is φ = 62420736.
The previous prime is 129301021. The next prime is 129301033. The reversal of 129301024 is 420103921.
It can be written as a sum of positive squares in 2 ways, for example, as 123210000 + 6091024 = 11100^2 + 2468^2 .
It is a junction number, because it is equal to n+sod(n) for n = 129300986 and 129301004.
It is not an unprimeable number, because it can be changed into a prime (129301021) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68739 + ... + 70594.
Almost surely, 2129301024 is an apocalyptic number.
It is an amenable number.
129301024 is an abundant number, since it is smaller than the sum of its proper divisors (134040236).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
129301024 is a wasteful number, since it uses less digits than its factorization.
129301024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 139372 (or 139364 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 22.
The square root of 129301024 is about 11371.0608124308. The cubic root of 129301024 is about 505.6701543015.
Adding to 129301024 its reverse (420103921), we get a palindrome (549404945).
The spelling of 129301024 in words is "one hundred twenty-nine million, three hundred one thousand, twenty-four".
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