Base | Representation |
---|---|
bin | 100111001001001100… |
… | …100010100001100100 |
3 | 11000111011021001110201 |
4 | 213021030202201210 |
5 | 1142034213310340 |
6 | 31150341200244 |
7 | 3015355626532 |
oct | 471114424144 |
9 | 130434231421 |
10 | 42030213220 |
11 | 16908a61306 |
12 | 818ba00084 |
13 | 3c6a877968 |
14 | 206a08d152 |
15 | 115ed6679a |
hex | 9c9322864 |
42030213220 has 24 divisors (see below), whose sum is σ = 88282342008. Its totient is φ = 16808486400.
The previous prime is 42030213209. The next prime is 42030213349. The reversal of 42030213220 is 2231203024.
It can be written as a sum of positive squares in 4 ways, for example, as 15544603684 + 26485609536 = 124678^2 + 162744^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128151 + ... + 316990.
It is an arithmetic number, because the mean of its divisors is an integer number (3678430917).
Almost surely, 242030213220 is an apocalyptic number.
It is an amenable number.
42030213220 is an abundant number, since it is smaller than the sum of its proper divisors (46252128788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42030213220 is a wasteful number, since it uses less digits than its factorization.
42030213220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 449871 (or 449869 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 19.
Adding to 42030213220 its reverse (2231203024), we get a palindrome (44261416244).
The spelling of 42030213220 in words is "forty-two billion, thirty million, two hundred thirteen thousand, two hundred twenty".
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