Base | Representation |
---|---|
bin | 1100001010011… |
… | …0100111111111 |
3 | 10112222210020201 |
4 | 3002212213333 |
5 | 101024423033 |
6 | 5021224331 |
7 | 1156420165 |
oct | 302464777 |
9 | 115883221 |
10 | 51014143 |
11 | 26883754 |
12 | 151020a7 |
13 | a751bab |
14 | 6abd235 |
15 | 472a47d |
hex | 30a69ff |
51014143 has 8 divisors (see below), whose sum is σ = 52517808. Its totient is φ = 49530624.
The previous prime is 51014141. The next prime is 51014153. The reversal of 51014143 is 34141015.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 51014143 - 21 = 51014141 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 51014143.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51014141) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180 + ... + 10102.
It is an arithmetic number, because the mean of its divisors is an integer number (6564726).
Almost surely, 251014143 is an apocalyptic number.
51014143 is a gapful number since it is divisible by the number (53) formed by its first and last digit.
51014143 is a deficient number, since it is larger than the sum of its proper divisors (1503665).
51014143 is an equidigital number, since it uses as much as digits as its factorization.
51014143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10073.
The product of its (nonzero) digits is 240, while the sum is 19.
The square root of 51014143 is about 7142.4185679642. The cubic root of 51014143 is about 370.8772537075.
Adding to 51014143 its reverse (34141015), we get a palindrome (85155158).
The spelling of 51014143 in words is "fifty-one million, fourteen thousand, one hundred forty-three".
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