Base | Representation |
---|---|
bin | 11100001110001001… |
… | …110011101111100011 |
3 | 2220012210222102211211 |
4 | 130032021303233203 |
5 | 444024332121311 |
6 | 21530505450551 |
7 | 2121626435302 |
oct | 341611635743 |
9 | 86183872754 |
10 | 30302223331 |
11 | 1193a8a6986 |
12 | 5a581a0a57 |
13 | 2b1bb90b83 |
14 | 167663a439 |
15 | bc5426821 |
hex | 70e273be3 |
30302223331 has 4 divisors (see below), whose sum is σ = 30319163200. Its totient is φ = 30285283464.
The previous prime is 30302223311. The next prime is 30302223361. The reversal of 30302223331 is 13332220303.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30302223331 - 211 = 30302221283 is a prime.
It is a super-2 number, since 2×303022233312 (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 (30302223311) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8467251 + ... + 8470828.
It is an arithmetic number, because the mean of its divisors is an integer number (7579790800).
Almost surely, 230302223331 is an apocalyptic number.
30302223331 is a deficient number, since it is larger than the sum of its proper divisors (16939869).
30302223331 is a wasteful number, since it uses less digits than its factorization.
30302223331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16939868.
The product of its (nonzero) digits is 1944, while the sum is 22.
Adding to 30302223331 its reverse (13332220303), we get a palindrome (43634443634).
The spelling of 30302223331 in words is "thirty billion, three hundred two million, two hundred twenty-three thousand, three hundred thirty-one".
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