Base | Representation |
---|---|
bin | 11100000100100111… |
… | …100001101000101000 |
3 | 2212210122221111210011 |
4 | 130010213201220220 |
5 | 443212403210240 |
6 | 21502552501304 |
7 | 2114644552402 |
oct | 340447415050 |
9 | 85718844704 |
10 | 30142241320 |
11 | 11868567044 |
12 | 5a126aa834 |
13 | 2ac49a8669 |
14 | 165d2b3b72 |
15 | bb63746ea |
hex | 7049e1a28 |
30142241320 has 64 divisors (see below), whose sum is σ = 68694771600. Its totient is φ = 11902371840.
The previous prime is 30142241317. The next prime is 30142241347. The reversal of 30142241320 is 2314224103.
It can be written as a sum of positive squares in 8 ways, for example, as 7443203076 + 22699038244 = 86274^2 + 150662^2 .
It is a junction number, because it is equal to n+sod(n) for n = 30142241291 and 30142241300.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 976686 + ... + 1007074.
Almost surely, 230142241320 is an apocalyptic number.
It is an amenable number.
30142241320 is an abundant number, since it is smaller than the sum of its proper divisors (38552530280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30142241320 is a wasteful number, since it uses less digits than its factorization.
30142241320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30718 (or 30714 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 22.
Adding to 30142241320 its reverse (2314224103), we get a palindrome (32456465423).
The spelling of 30142241320 in words is "thirty billion, one hundred forty-two million, two hundred forty-one thousand, three hundred twenty".
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