Base | Representation |
---|---|
bin | 11011111100010100… |
… | …110101010010001110 |
3 | 2212102222011120210110 |
4 | 123330110311102032 |
5 | 442421244421332 |
6 | 21441103020450 |
7 | 2111335224543 |
oct | 337424652216 |
9 | 85388146713 |
10 | 30003123342 |
11 | 117a6a87705 |
12 | 5993b9a726 |
13 | 2aa1c1992a |
14 | 1648a1cbca |
15 | ba90444cc |
hex | 6fc53548e |
30003123342 has 32 divisors (see below), whose sum is σ = 61124474880. Its totient is φ = 9815934240.
The previous prime is 30003123259. The next prime is 30003123343. The reversal of 30003123342 is 24332130003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30003123343) by changing a digit.
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 in 15 ways as a sum of consecutive naturals, for example, 62917 + ... + 252912.
It is an arithmetic number, because the mean of its divisors is an integer number (1910139840).
Almost surely, 230003123342 is an apocalyptic number.
30003123342 is an abundant number, since it is smaller than the sum of its proper divisors (31121351538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30003123342 is a wasteful number, since it uses less digits than its factorization.
30003123342 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 316128.
The product of its (nonzero) digits is 1296, while the sum is 21.
Adding to 30003123342 its reverse (24332130003), we get a palindrome (54335253345).
The spelling of 30003123342 in words is "thirty billion, three million, one hundred twenty-three thousand, three hundred forty-two".
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