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30030484621 is a prime number
BaseRepresentation
bin11011111101111101…
…001101010010001101
32212111212122200102011
4123331331031102031
5443000301001441
621443521301221
72112116623204
oct337575152215
985455580364
1030030484621
1111810475635
1259a1194811
132aa77a9837
14164c50223b
15bab64b581
hex6fdf4d48d

30030484621 has 2 divisors, whose sum is σ = 30030484622. Its totient is φ = 30030484620.

The previous prime is 30030484591. The next prime is 30030484691. The reversal of 30030484621 is 12648403003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25468968100 + 4561516521 = 159590^2 + 67539^2 .

It is a cyclic number.

It is not a de Polignac number, because 30030484621 - 27 = 30030484493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30030484691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15015242310 + 15015242311.

It is an arithmetic number, because the mean of its divisors is an integer number (15015242311).

Almost surely, 230030484621 is an apocalyptic number.

It is an amenable number.

30030484621 is a deficient number, since it is larger than the sum of its proper divisors (1).

30030484621 is an equidigital number, since it uses as much as digits as its factorization.

30030484621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 30030484621 its reverse (12648403003), we get a palindrome (42678887624).

The spelling of 30030484621 in words is "thirty billion, thirty million, four hundred eighty-four thousand, six hundred twenty-one".