Base | Representation |
---|---|
bin | 100111001111110111… |
… | …000101101001010110 |
3 | 11000202221122221211120 |
4 | 213033313011221112 |
5 | 1142301324433142 |
6 | 31205413544410 |
7 | 3021214230312 |
oct | 471767055126 |
9 | 130687587746 |
10 | 42142030422 |
11 | 16966094218 |
12 | 8201345106 |
13 | 3c87a9819b |
14 | 207ac78b42 |
15 | 1169aa27ec |
hex | 9cfdc5a56 |
42142030422 has 16 divisors (see below), whose sum is σ = 89241946992. Its totient is φ = 13221029120.
The previous prime is 42142030373. The next prime is 42142030423. The reversal of 42142030422 is 22403024124.
It is a junction number, because it is equal to n+sod(n) for n = 42142030392 and 42142030401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42142030423) 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, 206578479 + ... + 206578682.
It is an arithmetic number, because the mean of its divisors is an integer number (5577621687).
Almost surely, 242142030422 is an apocalyptic number.
42142030422 is an abundant number, since it is smaller than the sum of its proper divisors (47099916570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42142030422 is a wasteful number, since it uses less digits than its factorization.
42142030422 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 413157183.
The product of its (nonzero) digits is 3072, while the sum is 24.
Adding to 42142030422 its reverse (22403024124), we get a palindrome (64545054546).
The spelling of 42142030422 in words is "forty-two billion, one hundred forty-two million, thirty thousand, four hundred twenty-two".
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