Base | Representation |
---|---|
bin | 1111100000100… |
… | …11110010000001 |
3 | 100001210222202022 |
4 | 13300103302001 |
5 | 231301320244 |
6 | 20524331225 |
7 | 3136604156 |
oct | 760236201 |
9 | 301728668 |
10 | 130104449 |
11 | 67493442 |
12 | 376a3b15 |
13 | 20c541a7 |
14 | 133ca22d |
15 | b64e6ee |
hex | 7c13c81 |
130104449 has 2 divisors, whose sum is σ = 130104450. Its totient is φ = 130104448.
The previous prime is 130104421. The next prime is 130104473. The reversal of 130104449 is 944401031.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 108014449 + 22090000 = 10393^2 + 4700^2 .
It is a cyclic number.
It is not a de Polignac number, because 130104449 - 216 = 130038913 is a prime.
It is not a weakly prime, because it can be changed into another prime (130104749) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65052224 + 65052225.
It is an arithmetic number, because the mean of its divisors is an integer number (65052225).
Almost surely, 2130104449 is an apocalyptic number.
It is an amenable number.
130104449 is a deficient number, since it is larger than the sum of its proper divisors (1).
130104449 is an equidigital number, since it uses as much as digits as its factorization.
130104449 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1728, while the sum is 26.
The square root of 130104449 is about 11406.3337229804. Note that the first 3 decimals coincide. The cubic root of 130104449 is about 506.7153367278.
The spelling of 130104449 in words is "one hundred thirty million, one hundred four thousand, four hundred forty-nine".
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