Base | Representation |
---|---|
bin | 1100001010011… |
… | …1000110010111 |
3 | 10112222212220201 |
4 | 3002213012113 |
5 | 101030003322 |
6 | 5021241331 |
7 | 1156425643 |
oct | 302470627 |
9 | 115885821 |
10 | 51016087 |
11 | 26885161 |
12 | 15103247 |
13 | a752a45 |
14 | 6abdc23 |
15 | 472ad27 |
hex | 30a7197 |
51016087 has 2 divisors, whose sum is σ = 51016088. Its totient is φ = 51016086.
The previous prime is 51016079. The next prime is 51016151. The reversal of 51016087 is 78061015.
It is a happy number.
51016087 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 not a de Polignac number, because 51016087 - 23 = 51016079 is a prime.
It is a super-2 number, since 2×510160872 = 5205282265583138, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (51016487) 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, 25508043 + 25508044.
It is an arithmetic number, because the mean of its divisors is an integer number (25508044).
Almost surely, 251016087 is an apocalyptic number.
51016087 is a deficient number, since it is larger than the sum of its proper divisors (1).
51016087 is an equidigital number, since it uses as much as digits as its factorization.
51016087 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1680, while the sum is 28.
The square root of 51016087 is about 7142.5546550236. The cubic root of 51016087 is about 370.8819646640.
The spelling of 51016087 in words is "fifty-one million, sixteen thousand, eighty-seven".
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