Base | Representation |
---|---|
bin | 101111100000100101… |
… | …011011001001000111 |
3 | 11212200011002220011220 |
4 | 233200211123021013 |
5 | 1313433203002033 |
6 | 35233531531423 |
7 | 3454065332145 |
oct | 574045331107 |
9 | 155604086156 |
10 | 51012547143 |
11 | 1a6a8286778 |
12 | 9a77bb9b73 |
13 | 4a6c780c4c |
14 | 267cdc6595 |
15 | 14d8703bb3 |
hex | be095b247 |
51012547143 has 16 divisors (see below), whose sum is σ = 68790954240. Its totient is φ = 33621363776.
The previous prime is 51012547141. The next prime is 51012547151. The reversal of 51012547143 is 34174521015.
51012547143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 51012547143 - 21 = 51012547141 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51012547141) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3369196 + ... + 3384302.
It is an arithmetic number, because the mean of its divisors is an integer number (4299434640).
Almost surely, 251012547143 is an apocalyptic number.
51012547143 is a deficient number, since it is larger than the sum of its proper divisors (17778407097).
51012547143 is a wasteful number, since it uses less digits than its factorization.
51012547143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27846.
The product of its (nonzero) digits is 16800, while the sum is 33.
The spelling of 51012547143 in words is "fifty-one billion, twelve million, five hundred forty-seven thousand, one hundred forty-three".
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