Base | Representation |
---|---|
bin | 11100001001110111… |
… | …111100010110101000 |
3 | 2220000210220000110221 |
4 | 130021313330112220 |
5 | 443402442244034 |
6 | 21515423015424 |
7 | 2120065265524 |
oct | 341167742650 |
9 | 86023800427 |
10 | 30230431144 |
11 | 119033213a1 |
12 | 5a3813a574 |
13 | 2b0a0456a4 |
14 | 166acacd84 |
15 | bbde94bb4 |
hex | 709dfc5a8 |
30230431144 has 8 divisors (see below), whose sum is σ = 56682058410. Its totient is φ = 15115215568.
The previous prime is 30230431139. The next prime is 30230431163. The reversal of 30230431144 is 44113403203.
It can be written as a sum of positive squares in only one way, i.e., 17537704900 + 12692726244 = 132430^2 + 112662^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1889401939 + ... + 1889401954.
Almost surely, 230230431144 is an apocalyptic number.
It is an amenable number.
30230431144 is a deficient number, since it is larger than the sum of its proper divisors (26451627266).
30230431144 is a wasteful number, since it uses less digits than its factorization.
30230431144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3778803899 (or 3778803895 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 25.
Adding to 30230431144 its reverse (44113403203), we get a palindrome (74343834347).
The spelling of 30230431144 in words is "thirty billion, two hundred thirty million, four hundred thirty-one thousand, one hundred forty-four".
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