Base | Representation |
---|---|
bin | 11100000100100111… |
… | …111010100000100000 |
3 | 2212210200010200112111 |
4 | 130010213322200200 |
5 | 443212414440300 |
6 | 21502555005104 |
7 | 2114645455414 |
oct | 340447724040 |
9 | 85720120474 |
10 | 30142343200 |
11 | 11868626642 |
12 | 5a12739794 |
13 | 2ac4a12b48 |
14 | 165d2dcd44 |
15 | bb63949ba |
hex | 7049fa820 |
30142343200 has 72 divisors (see below), whose sum is σ = 74236412628. Its totient is φ = 11950202880.
The previous prime is 30142343167. The next prime is 30142343201. The reversal of 30142343200 is 234324103.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 1558354576 + 28583988624 = 39476^2 + 169068^2 .
It is not an unprimeable number, because it can be changed into a prime (30142343201) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76317 + ... + 257116.
Almost surely, 230142343200 is an apocalyptic number.
It is an amenable number.
30142343200 is an abundant number, since it is smaller than the sum of its proper divisors (44094069428).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30142343200 is a wasteful number, since it uses less digits than its factorization.
30142343200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 333566 (or 333553 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 22.
Adding to 30142343200 its reverse (234324103), we get a palindrome (30376667303).
The spelling of 30142343200 in words is "thirty billion, one hundred forty-two million, three hundred forty-three thousand, two hundred".
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