Base | Representation |
---|---|
bin | 11100010000011011… |
… | …101001101011100100 |
3 | 2220022110220211000202 |
4 | 130100123221223210 |
5 | 444114124031030 |
6 | 21534353130032 |
7 | 2122602420302 |
oct | 342033515344 |
9 | 86273824022 |
10 | 30340455140 |
11 | 1195a43a016 |
12 | 5a68b59918 |
13 | 2b26a88948 |
14 | 167b74d272 |
15 | bc8979745 |
hex | 7106e9ae4 |
30340455140 has 48 divisors (see below), whose sum is σ = 68628141120. Its totient is φ = 11230047360.
The previous prime is 30340455077. The next prime is 30340455143. The reversal of 30340455140 is 4155404303.
It is not an unprimeable number, because it can be changed into a prime (30340455143) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 912071 + ... + 944750.
It is an arithmetic number, because the mean of its divisors is an integer number (1429752940).
Almost surely, 230340455140 is an apocalyptic number.
It is an amenable number.
30340455140 is an abundant number, since it is smaller than the sum of its proper divisors (38287685980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30340455140 is a wasteful number, since it uses less digits than its factorization.
30340455140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1856892 (or 1856890 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 29.
Adding to 30340455140 its reverse (4155404303), we get a palindrome (34495859443).
The spelling of 30340455140 in words is "thirty billion, three hundred forty million, four hundred fifty-five thousand, one hundred forty".
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