Base | Representation |
---|---|
bin | 1100010001010… |
… | …1011101101111 |
3 | 10120211212000112 |
4 | 3010111131233 |
5 | 101133440033 |
6 | 5035050235 |
7 | 1163320616 |
oct | 304253557 |
9 | 116755015 |
10 | 51468143 |
11 | 27063861 |
12 | 152a097b |
13 | a88072c |
14 | 6b9a87d |
15 | 47b9c48 |
hex | 311576f |
51468143 has 2 divisors, whose sum is σ = 51468144. Its totient is φ = 51468142.
The previous prime is 51468133. The next prime is 51468229. The reversal of 51468143 is 34186415.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 51468143 - 28 = 51467887 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (51468133) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25734071 + 25734072.
It is an arithmetic number, because the mean of its divisors is an integer number (25734072).
Almost surely, 251468143 is an apocalyptic number.
51468143 is a deficient number, since it is larger than the sum of its proper divisors (1).
51468143 is an equidigital number, since it uses as much as digits as its factorization.
51468143 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 11520, while the sum is 32.
The square root of 51468143 is about 7174.1301214851. The cubic root of 51468143 is about 371.9742124761.
The spelling of 51468143 in words is "fifty-one million, four hundred sixty-eight thousand, one hundred forty-three".
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