Base | Representation |
---|---|
bin | 1100001010010… |
… | …1110100011101 |
3 | 10112222121201120 |
4 | 3002211310131 |
5 | 101024321340 |
6 | 5021201153 |
7 | 1156404444 |
oct | 302456435 |
9 | 115877646 |
10 | 51010845 |
11 | 26881226 |
12 | 151001b9 |
13 | a750542 |
14 | 6abbd5b |
15 | 47294d0 |
hex | 30a5d1d |
51010845 has 16 divisors (see below), whose sum is σ = 82461120. Its totient is φ = 26924544.
The previous prime is 51010831. The next prime is 51010871. The reversal of 51010845 is 54801015.
51010845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 51010845 - 215 = 50978077 is a prime.
It is a super-2 number, since 2×510108452 = 5204212615228050, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
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 in 15 ways as a sum of consecutive naturals, for example, 16075 + ... + 18984.
It is an arithmetic number, because the mean of its divisors is an integer number (5153820).
Almost surely, 251010845 is an apocalyptic number.
It is an amenable number.
51010845 is a deficient number, since it is larger than the sum of its proper divisors (31450275).
51010845 is a wasteful number, since it uses less digits than its factorization.
51010845 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35164.
The product of its (nonzero) digits is 800, while the sum is 24.
The square root of 51010845 is about 7142.1876900569. The cubic root of 51010845 is about 370.8692612864.
The spelling of 51010845 in words is "fifty-one million, ten thousand, eight hundred forty-five".
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