Base | Representation |
---|---|
bin | 1100001011001… |
… | …1010100010010 |
3 | 10120002102120011 |
4 | 3002303110102 |
5 | 101033104010 |
6 | 5022305134 |
7 | 1160024563 |
oct | 302632422 |
9 | 116072504 |
10 | 51066130 |
11 | 26909815 |
12 | 151281aa |
13 | a76c75b |
14 | 6ad416a |
15 | 473aa8a |
hex | 30b3512 |
51066130 has 32 divisors (see below), whose sum is σ = 97763760. Its totient is φ = 19138560.
The previous prime is 51066121. The next prime is 51066131. The reversal of 51066130 is 3166015.
It can be written as a sum of positive squares in 8 ways, for example, as 33097009 + 17969121 = 5753^2 + 4239^2 .
It is not an unprimeable number, because it can be changed into a prime (51066131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47236 + ... + 48304.
Almost surely, 251066130 is an apocalyptic number.
51066130 is a deficient number, since it is larger than the sum of its proper divisors (46697630).
51066130 is a wasteful number, since it uses less digits than its factorization.
51066130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1374.
The product of its (nonzero) digits is 540, while the sum is 22.
The square root of 51066130 is about 7146.0569547129. The cubic root of 51066130 is about 371.0031942726.
It can be divided in two parts, 5106 and 6130, that added together give a square (11236 = 1062).
The spelling of 51066130 in words is "fifty-one million, sixty-six thousand, one hundred thirty".
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