Base | Representation |
---|---|
bin | 11100000011010011… |
… | …011100100001110111 |
3 | 2212202010110201012111 |
4 | 130003103130201313 |
5 | 443141232402221 |
6 | 21500444231451 |
7 | 2114256323035 |
oct | 340323344167 |
9 | 85663421174 |
10 | 30120200311 |
11 | 11857082333 |
12 | 5a0723b587 |
13 | 2ac025c246 |
14 | 165a3b7555 |
15 | bb446dbe1 |
hex | 7034dc877 |
30120200311 has 8 divisors (see below), whose sum is σ = 30369499920. Its totient is φ = 29871925248.
The previous prime is 30120200291. The next prime is 30120200387. The reversal of 30120200311 is 11300202103.
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-30120200311 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30120200291 and 30120200300.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30120230311) 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, 197041 + ... + 314746.
It is an arithmetic number, because the mean of its divisors is an integer number (3796187490).
Almost surely, 230120200311 is an apocalyptic number.
30120200311 is a deficient number, since it is larger than the sum of its proper divisors (249299609).
30120200311 is a wasteful number, since it uses less digits than its factorization.
30120200311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 512273.
The product of its (nonzero) digits is 36, while the sum is 13.
Adding to 30120200311 its reverse (11300202103), we get a palindrome (41420402414).
The spelling of 30120200311 in words is "thirty billion, one hundred twenty million, two hundred thousand, three hundred eleven".
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