Base | Representation |
---|---|
bin | 100111001111111011… |
… | …001011010001000100 |
3 | 11000210000200101210101 |
4 | 213033323023101010 |
5 | 1142302113231040 |
6 | 31205452533444 |
7 | 3021226312435 |
oct | 471773132104 |
9 | 130700611711 |
10 | 42143102020 |
11 | 16966756338 |
12 | 8201781284 |
13 | 3c88081b76 |
14 | 207b07748c |
15 | 1169c1509a |
hex | 9cfecb444 |
42143102020 has 48 divisors (see below), whose sum is σ = 90602709120. Its totient is φ = 16457204736.
The previous prime is 42143101997. The next prime is 42143102021. The reversal of 42143102020 is 2020134124.
It is not an unprimeable number, because it can be changed into a prime (42143102021) 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, 1944001 + ... + 1965559.
It is an arithmetic number, because the mean of its divisors is an integer number (1887556440).
Almost surely, 242143102020 is an apocalyptic number.
It is an amenable number.
42143102020 is an abundant number, since it is smaller than the sum of its proper divisors (48459607100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42143102020 is a wasteful number, since it uses less digits than its factorization.
42143102020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23884 (or 23882 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 19.
Adding to 42143102020 its reverse (2020134124), we get a palindrome (44163236144).
The spelling of 42143102020 in words is "forty-two billion, one hundred forty-three million, one hundred two thousand, twenty".
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