Base | Representation |
---|---|
bin | 11100010000101101… |
… | …100001011110101110 |
3 | 2220022210201211122100 |
4 | 130100231201132232 |
5 | 444121323441032 |
6 | 21535041355530 |
7 | 2122660302222 |
oct | 342055413656 |
9 | 86283654570 |
10 | 30345140142 |
11 | 11962049a19 |
12 | 5a6a638ba6 |
13 | 2b27a39235 |
14 | 167c20c782 |
15 | bc90a297c |
hex | 710b617ae |
30345140142 has 96 divisors (see below), whose sum is σ = 68270791680. Its totient is φ = 9735860160.
The previous prime is 30345140117. The next prime is 30345140153. The reversal of 30345140142 is 24104154303.
It is a happy number.
30345140142 is a `hidden beast` number, since 3 + 0 + 3 + 4 + 514 + 0 + 142 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12584917 + ... + 12587327.
It is an arithmetic number, because the mean of its divisors is an integer number (711154080).
Almost surely, 230345140142 is an apocalyptic number.
30345140142 is an abundant number, since it is smaller than the sum of its proper divisors (37925651538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30345140142 is a wasteful number, since it uses less digits than its factorization.
30345140142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2718 (or 2715 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
Adding to 30345140142 its reverse (24104154303), we get a palindrome (54449294445).
The spelling of 30345140142 in words is "thirty billion, three hundred forty-five million, one hundred forty thousand, one hundred forty-two".
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