Base | Representation |
---|---|
bin | 100111001000100110… |
… | …000101000111100111 |
3 | 11000110110021211200101 |
4 | 213020212011013213 |
5 | 1142024123200203 |
6 | 31145341124531 |
7 | 3015204136303 |
oct | 471046050747 |
9 | 130413254611 |
10 | 42020131303 |
11 | 169032a5647 |
12 | 8188559747 |
13 | 3c68757a27 |
14 | 20689c6d03 |
15 | 115e02441d |
hex | 9c89851e7 |
42020131303 has 4 divisors (see below), whose sum is σ = 42021556560. Its totient is φ = 42018706048.
The previous prime is 42020131273. The next prime is 42020131333. The reversal of 42020131303 is 30313102024.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (42020131273) and next prime (42020131333).
It is a cyclic number.
It is not a de Polignac number, because 42020131303 - 29 = 42020130791 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42020131333) 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, 667450 + ... + 727687.
It is an arithmetic number, because the mean of its divisors is an integer number (10505389140).
Almost surely, 242020131303 is an apocalyptic number.
42020131303 is a deficient number, since it is larger than the sum of its proper divisors (1425257).
42020131303 is a wasteful number, since it uses less digits than its factorization.
42020131303 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1425256.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 42020131303 its reverse (30313102024), we get a palindrome (72333233327).
The spelling of 42020131303 in words is "forty-two billion, twenty million, one hundred thirty-one thousand, three hundred three".
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