Base | Representation |
---|---|
bin | 11011111100010000… |
… | …111110101001100011 |
3 | 2212102220021021000221 |
4 | 123330100332221203 |
5 | 442421020104443 |
6 | 21441025223511 |
7 | 2111323516363 |
oct | 337420765143 |
9 | 85386237027 |
10 | 30002113123 |
11 | 117a6457714 |
12 | 5993791b97 |
13 | 2aa1954b78 |
14 | 16488389a3 |
15 | ba8de4eed |
hex | 6fc43ea63 |
30002113123 has 16 divisors (see below), whose sum is σ = 32473520640. Its totient is φ = 27646242624.
The previous prime is 30002113121. The next prime is 30002113159. The reversal of 30002113123 is 32131120003.
It is a cyclic number.
It is not a de Polignac number, because 30002113123 - 21 = 30002113121 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30002113097 and 30002113106.
It is not an unprimeable number, because it can be changed into a prime (30002113121) 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, 135583 + ... + 279976.
It is an arithmetic number, because the mean of its divisors is an integer number (2029595040).
Almost surely, 230002113123 is an apocalyptic number.
30002113123 is a deficient number, since it is larger than the sum of its proper divisors (2471407517).
30002113123 is a wasteful number, since it uses less digits than its factorization.
30002113123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 415698.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 30002113123 its reverse (32131120003), we get a palindrome (62133233126).
The spelling of 30002113123 in words is "thirty billion, two million, one hundred thirteen thousand, one hundred twenty-three".
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