Base | Representation |
---|---|
bin | 100111010111000100… |
… | …111100011000101101 |
3 | 11001002101111002012220 |
4 | 213113010330120231 |
5 | 1143023323244041 |
6 | 31225420545553 |
7 | 3024214306536 |
oct | 472704743055 |
9 | 131071432186 |
10 | 42263103021 |
11 | 16a18468917 |
12 | 82359b22b9 |
13 | 3ca6ba9389 |
14 | 208cd9368d |
15 | 117551ad66 |
hex | 9d713c62d |
42263103021 has 16 divisors (see below), whose sum is σ = 57019987584. Its totient is φ = 27841711104.
The previous prime is 42263103019. The next prime is 42263103139. The reversal of 42263103021 is 12030136224.
It is not a de Polignac number, because 42263103021 - 21 = 42263103019 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 42263102982 and 42263103000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42263153021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76041 + ... + 300513.
It is an arithmetic number, because the mean of its divisors is an integer number (3563749224).
Almost surely, 242263103021 is an apocalyptic number.
It is an amenable number.
42263103021 is a deficient number, since it is larger than the sum of its proper divisors (14756884563).
42263103021 is a wasteful number, since it uses less digits than its factorization.
42263103021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 225220.
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 42263103021 its reverse (12030136224), we get a palindrome (54293239245).
The spelling of 42263103021 in words is "forty-two billion, two hundred sixty-three million, one hundred three thousand, twenty-one".
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