Base | Representation |
---|---|
bin | 10010101001100001… |
… | …100111001101100011 |
3 | 1220200111202010021122 |
4 | 102221201213031203 |
5 | 312002122430201 |
6 | 13110544242455 |
7 | 1306133306234 |
oct | 225141471543 |
9 | 56614663248 |
10 | 20024030051 |
11 | 8546052173 |
12 | 3a6a01042b |
13 | 1b7166c4bc |
14 | d7d57d08b |
15 | 7c2e15e1b |
hex | 4a9867363 |
20024030051 has 4 divisors (see below), whose sum is σ = 20024314992. Its totient is φ = 20023745112.
The previous prime is 20024030017. The next prime is 20024030083. The reversal of 20024030051 is 15003042002.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 20024030051 - 210 = 20024029027 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20024039051) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46421 + ... + 205433.
It is an arithmetic number, because the mean of its divisors is an integer number (5006078748).
Almost surely, 220024030051 is an apocalyptic number.
20024030051 is a deficient number, since it is larger than the sum of its proper divisors (284941).
20024030051 is a wasteful number, since it uses less digits than its factorization.
20024030051 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 284940.
The product of its (nonzero) digits is 240, while the sum is 17.
Adding to 20024030051 its reverse (15003042002), we get a palindrome (35027072053).
The spelling of 20024030051 in words is "twenty billion, twenty-four million, thirty thousand, fifty-one".
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