Base | Representation |
---|---|
bin | 11100001001010001… |
… | …010011101111011001 |
3 | 2220000002211110201101 |
4 | 130021101103233121 |
5 | 443342344201241 |
6 | 21514421551401 |
7 | 2116613224405 |
oct | 341121235731 |
9 | 86002743641 |
10 | 30220303321 |
11 | 118a863419a |
12 | 5a34875561 |
13 | 2b07c0a8b0 |
14 | 16697d4105 |
15 | bbd143e31 |
hex | 709453bd9 |
30220303321 has 8 divisors (see below), whose sum is σ = 32567360840. Its totient is φ = 27876448512.
The previous prime is 30220303297. The next prime is 30220303381. The reversal of 30220303321 is 12330302203.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 9719790921 + 20500512400 = 98589^2 + 143180^2 .
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 30220303321 - 223 = 30211914713 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30220303381) 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, 781056 + ... + 818833.
It is an arithmetic number, because the mean of its divisors is an integer number (4070920105).
Almost surely, 230220303321 is an apocalyptic number.
It is an amenable number.
30220303321 is a deficient number, since it is larger than the sum of its proper divisors (2347057519).
30220303321 is a wasteful number, since it uses less digits than its factorization.
30220303321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1601355.
The product of its (nonzero) digits is 648, while the sum is 19.
Adding to 30220303321 its reverse (12330302203), we get a palindrome (42550605524).
The spelling of 30220303321 in words is "thirty billion, two hundred twenty million, three hundred three thousand, three hundred twenty-one".
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