Base | Representation |
---|---|
bin | 11011111100010100… |
… | …110101001100111001 |
3 | 2212102222011120022211 |
4 | 123330110311030321 |
5 | 442421244414001 |
6 | 21441103015121 |
7 | 2111335223545 |
oct | 337424651471 |
9 | 85388146284 |
10 | 30003123001 |
11 | 117a6a87425 |
12 | 5993b9a4a1 |
13 | 2aa1c19727 |
14 | 1648a1ca25 |
15 | ba9044351 |
hex | 6fc535339 |
30003123001 has 16 divisors (see below), whose sum is σ = 30429184000. Its totient is φ = 29580662160.
The previous prime is 30003122983. The next prime is 30003123011. The reversal of 30003123001 is 10032130003.
It is a cyclic number.
It is not a de Polignac number, because 30003123001 - 27 = 30003122873 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30003123011) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17173210 + ... + 17174956.
It is an arithmetic number, because the mean of its divisors is an integer number (1901824000).
Almost surely, 230003123001 is an apocalyptic number.
It is an amenable number.
30003123001 is a deficient number, since it is larger than the sum of its proper divisors (426060999).
30003123001 is a wasteful number, since it uses less digits than its factorization.
30003123001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2644.
The product of its (nonzero) digits is 54, while the sum is 13.
Adding to 30003123001 its reverse (10032130003), we get a palindrome (40035253004).
The spelling of 30003123001 in words is "thirty billion, three million, one hundred twenty-three thousand, one".
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