Base | Representation |
---|---|
bin | 11100001001011001… |
… | …110101011001101001 |
3 | 2220000021001000121001 |
4 | 130021121311121221 |
5 | 443343432211340 |
6 | 21514541515001 |
7 | 2116641223456 |
oct | 341131653151 |
9 | 86007030531 |
10 | 30222538345 |
11 | 118a992041a |
12 | 5a35572a61 |
13 | 2b08510cac |
14 | 1669c1682d |
15 | bbd43629a |
hex | 709675669 |
30222538345 has 8 divisors (see below), whose sum is σ = 36422699976. Its totient is φ = 24074261376.
The previous prime is 30222538343. The next prime is 30222538351. The reversal of 30222538345 is 54383522203.
It can be written as a sum of positive squares in 4 ways, for example, as 3583449 + 30218954896 = 1893^2 + 173836^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30222538345 - 21 = 30222538343 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30222538343) 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, 12969882 + ... + 12972211.
It is an arithmetic number, because the mean of its divisors is an integer number (4552837497).
Almost surely, 230222538345 is an apocalyptic number.
It is an amenable number.
30222538345 is a deficient number, since it is larger than the sum of its proper divisors (6200161631).
30222538345 is a wasteful number, since it uses less digits than its factorization.
30222538345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25942331.
The product of its (nonzero) digits is 172800, while the sum is 37.
The spelling of 30222538345 in words is "thirty billion, two hundred twenty-two million, five hundred thirty-eight thousand, three hundred forty-five".
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