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30300255275 = 521212010211
BaseRepresentation
bin11100001110000010…
…010011010000101011
32220012200021110011212
4130032002103100223
5444023331132100
621530355343335
72121603630443
oct341602232053
986180243155
1030300255275
1111939782294
125a575b1b4b
132b1b652144
141676287123
15bc5188635
hex70e09342b

30300255275 has 6 divisors (see below), whose sum is σ = 37572316572. Its totient is φ = 24240204200.

The previous prime is 30300255253. The next prime is 30300255277. The reversal of 30300255275 is 57255200303.

It is not a de Polignac number, because 30300255275 - 218 = 30299993131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30300255277) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 606005081 + ... + 606005130.

It is an arithmetic number, because the mean of its divisors is an integer number (6262052762).

Almost surely, 230300255275 is an apocalyptic number.

30300255275 is a deficient number, since it is larger than the sum of its proper divisors (7272061297).

30300255275 is a wasteful number, since it uses less digits than its factorization.

30300255275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212010221 (or 1212010216 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 32.

Adding to 30300255275 its reverse (57255200303), we get a palindrome (87555455578).

The spelling of 30300255275 in words is "thirty billion, three hundred million, two hundred fifty-five thousand, two hundred seventy-five".

Divisors: 1 5 25 1212010211 6060051055 30300255275