Base | Representation |
---|---|
bin | 1111100001111… |
… | …01000010110001 |
3 | 100002010120120212 |
4 | 13300331002301 |
5 | 231322222312 |
6 | 20532113505 |
7 | 3141206666 |
oct | 760750261 |
9 | 302116525 |
10 | 130273457 |
11 | 67599416 |
12 | 37765895 |
13 | 20cb30b2 |
14 | 13431a6d |
15 | b684822 |
hex | 7c3d0b1 |
130273457 has 2 divisors, whose sum is σ = 130273458. Its totient is φ = 130273456.
The previous prime is 130273447. The next prime is 130273469. The reversal of 130273457 is 754372031.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 99181681 + 31091776 = 9959^2 + 5576^2 .
It is a cyclic number.
It is not a de Polignac number, because 130273457 - 28 = 130273201 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (130273447) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65136728 + 65136729.
It is an arithmetic number, because the mean of its divisors is an integer number (65136729).
Almost surely, 2130273457 is an apocalyptic number.
It is an amenable number.
130273457 is a deficient number, since it is larger than the sum of its proper divisors (1).
130273457 is an equidigital number, since it uses as much as digits as its factorization.
130273457 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 17640, while the sum is 32.
The square root of 130273457 is about 11413.7398340772. The cubic root of 130273457 is about 506.9346525438.
The spelling of 130273457 in words is "one hundred thirty million, two hundred seventy-three thousand, four hundred fifty-seven".
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