Base | Representation |
---|---|
bin | 11011111100001100… |
… | …110100000110000001 |
3 | 2212102211012210100112 |
4 | 123330030310012001 |
5 | 442420230140223 |
6 | 21440550001105 |
7 | 2111311321304 |
oct | 337414640601 |
9 | 85384183315 |
10 | 30001021313 |
11 | 117a588139a |
12 | 5993346195 |
13 | 2aa1661c23 |
14 | 1648632b3b |
15 | ba8c7b778 |
hex | 6fc334181 |
30001021313 has 8 divisors (see below), whose sum is σ = 31326587136. Its totient is φ = 28677220000.
The previous prime is 30001021291. The next prime is 30001021327. The reversal of 30001021313 is 31312010003.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30001021313 is a prime.
It is a super-2 number, since 2×300010213132 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30001021363) 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, 406313 + ... + 474438.
It is an arithmetic number, because the mean of its divisors is an integer number (3915823392).
Almost surely, 230001021313 is an apocalyptic number.
It is an amenable number.
30001021313 is a deficient number, since it is larger than the sum of its proper divisors (1325565823).
30001021313 is a wasteful number, since it uses less digits than its factorization.
30001021313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 882255.
The product of its (nonzero) digits is 54, while the sum is 14.
Adding to 30001021313 its reverse (31312010003), we get a palindrome (61313031316).
The spelling of 30001021313 in words is "thirty billion, one million, twenty-one thousand, three hundred thirteen".
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