Base | Representation |
---|---|
bin | 1100001100001… |
… | …1000111110011 |
3 | 10120012201100211 |
4 | 3003003013303 |
5 | 101042141432 |
6 | 5023524551 |
7 | 1160414404 |
oct | 303030763 |
9 | 116181324 |
10 | 51130867 |
11 | 26953417 |
12 | 15159757 |
13 | a793068 |
14 | 6b0d9ab |
15 | 474ed47 |
hex | 30c31f3 |
51130867 has 2 divisors, whose sum is σ = 51130868. Its totient is φ = 51130866.
The previous prime is 51130853. The next prime is 51130889. The reversal of 51130867 is 76803115.
51130867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-51130867 is a prime.
It is a super-3 number, since 3×511308673 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Chen prime.
It is a zygodrome in base 2.
It is not a weakly prime, because it can be changed into another prime (51130847) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25565433 + 25565434.
It is an arithmetic number, because the mean of its divisors is an integer number (25565434).
Almost surely, 251130867 is an apocalyptic number.
51130867 is a deficient number, since it is larger than the sum of its proper divisors (1).
51130867 is an equidigital number, since it uses as much as digits as its factorization.
51130867 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 5040, while the sum is 31.
The square root of 51130867 is about 7150.5850809567. The cubic root of 51130867 is about 371.1599027851.
The spelling of 51130867 in words is "fifty-one million, one hundred thirty thousand, eight hundred sixty-seven".
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