Base | Representation |
---|---|
bin | 100111001110100011… |
… | …100010111100000000 |
3 | 11000201102110022112002 |
4 | 213032203202330000 |
5 | 1142230223132204 |
6 | 31203312323132 |
7 | 3020530125500 |
oct | 471643427400 |
9 | 130642408462 |
10 | 42120130304 |
11 | 1695479634a |
12 | 81b5b434a8 |
13 | 3c8339ac35 |
14 | 2077db7a00 |
15 | 1167bc891e |
hex | 9ce8e2f00 |
42120130304 has 54 divisors (see below), whose sum is σ = 97802407584. Its totient is φ = 18051479040.
The previous prime is 42120130289. The next prime is 42120130307. The reversal of 42120130304 is 40303102124.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42120130307) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1666352 + ... + 1691439.
It is an arithmetic number, because the mean of its divisors is an integer number (1811155696).
Almost surely, 242120130304 is an apocalyptic number.
It is an amenable number.
42120130304 is an abundant number, since it is smaller than the sum of its proper divisors (55682277280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42120130304 is an equidigital number, since it uses as much as digits as its factorization.
42120130304 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3357821 (or 3357800 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 42120130304 its reverse (40303102124), we get a palindrome (82423232428).
The spelling of 42120130304 in words is "forty-two billion, one hundred twenty million, one hundred thirty thousand, three hundred four".
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