Base | Representation |
---|---|
bin | 11100000011010011… |
… | …000101010101010101 |
3 | 2212202010021212212121 |
4 | 130003103011111111 |
5 | 443141221332201 |
6 | 21500442215541 |
7 | 2114255446036 |
oct | 340323052525 |
9 | 85663255777 |
10 | 30120105301 |
11 | 11857017a10 |
12 | 5a071b45b1 |
13 | 2ac0227c20 |
14 | 165a390a8d |
15 | bb44509a1 |
hex | 7034c5555 |
30120105301 has 16 divisors (see below), whose sum is σ = 35449481088. Its totient is φ = 25230168000.
The previous prime is 30120105187. The next prime is 30120105373. The reversal of 30120105301 is 10350102103.
It is a cyclic number.
It is not a de Polignac number, because 30120105301 - 219 = 30119581013 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30120105391) 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, 109425 + ... + 268726.
It is an arithmetic number, because the mean of its divisors is an integer number (2215592568).
Almost surely, 230120105301 is an apocalyptic number.
It is an amenable number.
30120105301 is a deficient number, since it is larger than the sum of its proper divisors (5329375787).
30120105301 is a wasteful number, since it uses less digits than its factorization.
30120105301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 378732.
The product of its (nonzero) digits is 90, while the sum is 16.
Adding to 30120105301 its reverse (10350102103), we get a palindrome (40470207404).
The spelling of 30120105301 in words is "thirty billion, one hundred twenty million, one hundred five thousand, three hundred one".
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