Base | Representation |
---|---|
bin | 11011111100010100… |
… | …110100111111010100 |
3 | 2212102222011112010122 |
4 | 123330110310333110 |
5 | 442421244402012 |
6 | 21441103011112 |
7 | 2111335221164 |
oct | 337424647724 |
9 | 85388145118 |
10 | 30003122132 |
11 | 117a6a86805 |
12 | 5993b99a98 |
13 | 2aa1c19209 |
14 | 1648a1c5a4 |
15 | ba9043e72 |
hex | 6fc534fd4 |
30003122132 has 24 divisors (see below), whose sum is σ = 53655002856. Its totient is φ = 14674802688.
The previous prime is 30003122077. The next prime is 30003122137. The reversal of 30003122132 is 23122130003.
It can be written as a sum of positive squares in 4 ways, for example, as 14518804036 + 15484318096 = 120494^2 + 124436^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 30003122132.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30003122137) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138533 + ... + 281420.
It is an arithmetic number, because the mean of its divisors is an integer number (2235625119).
Almost surely, 230003122132 is an apocalyptic number.
It is an amenable number.
30003122132 is a deficient number, since it is larger than the sum of its proper divisors (23651880724).
30003122132 is a wasteful number, since it uses less digits than its factorization.
30003122132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 420347 (or 420345 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 30003122132 its reverse (23122130003), we get a palindrome (53125252135).
The spelling of 30003122132 in words is "thirty billion, three million, one hundred twenty-two thousand, one hundred thirty-two".
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