Base | Representation |
---|---|
bin | 11100001000110110… |
… | …010111110111010001 |
3 | 2212222121112201211212 |
4 | 130020312113313101 |
5 | 443334042223241 |
6 | 21514010345505 |
7 | 2116466215403 |
oct | 341066276721 |
9 | 85877481755 |
10 | 30213242321 |
11 | 118a4651159 |
12 | 5a3242b295 |
13 | 2b066079a2 |
14 | 16688b6b73 |
15 | bbc6ebbeb |
hex | 708d97dd1 |
30213242321 has 16 divisors (see below), whose sum is σ = 31056488448. Its totient is φ = 29378764800.
The previous prime is 30213242317. The next prime is 30213242341. The reversal of 30213242321 is 12324231203.
It is a cyclic number.
It is not a de Polignac number, because 30213242321 - 22 = 30213242317 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30213242341) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8987681 + ... + 8991041.
It is an arithmetic number, because the mean of its divisors is an integer number (1941030528).
Almost surely, 230213242321 is an apocalyptic number.
It is an amenable number.
30213242321 is a deficient number, since it is larger than the sum of its proper divisors (843246127).
30213242321 is a wasteful number, since it uses less digits than its factorization.
30213242321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4592.
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 30213242321 its reverse (12324231203), we get a palindrome (42537473524).
The spelling of 30213242321 in words is "thirty billion, two hundred thirteen million, two hundred forty-two thousand, three hundred twenty-one".
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