Base | Representation |
---|---|
bin | 1111100000010… |
… | …10111010101111 |
3 | 100001202010221122 |
4 | 13300022322233 |
5 | 231244140033 |
6 | 20523451155 |
7 | 3136363262 |
oct | 760127257 |
9 | 301663848 |
10 | 130068143 |
11 | 67469137 |
12 | 37686abb |
13 | 20c407ca |
14 | 133bacd9 |
15 | b643a98 |
hex | 7c0aeaf |
130068143 has 2 divisors, whose sum is σ = 130068144. Its totient is φ = 130068142.
The previous prime is 130068137. The next prime is 130068149. The reversal of 130068143 is 341860031.
It is a balanced prime because it is at equal distance from previous prime (130068137) and next prime (130068149).
It is an emirp because it is prime and its reverse (341860031) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 130068143 - 28 = 130067887 is a prime.
It is a Sophie Germain prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (130068149) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65034071 + 65034072.
It is an arithmetic number, because the mean of its divisors is an integer number (65034072).
Almost surely, 2130068143 is an apocalyptic number.
130068143 is a deficient number, since it is larger than the sum of its proper divisors (1).
130068143 is an equidigital number, since it uses as much as digits as its factorization.
130068143 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 130068143 is about 11404.7421277291. The cubic root of 130068143 is about 506.6681989123.
The spelling of 130068143 in words is "one hundred thirty million, sixty-eight thousand, one hundred forty-three".
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