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30301032213 = 326155193137
BaseRepresentation
bin11100001110000101…
…010000111100010101
32220012201201220221100
4130032011100330111
5444024031012323
621530424140313
72121613344534
oct341605207425
986181656840
1030301032213
111193a162a91
125a57907699
132b1b86497a
14167640a31b
15bc528d943
hex70e150f15

30301032213 has 12 divisors (see below), whose sum is σ = 44485669228. Its totient is φ = 19869528960.

The previous prime is 30301032197. The next prime is 30301032227. The reversal of 30301032213 is 31223010303.

30301032213 is a `hidden beast` number, since 30 + 301 + 0 + 322 + 13 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1840667409 + 28460364804 = 42903^2 + 168702^2 .

It is not a de Polignac number, because 30301032213 - 24 = 30301032197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30301032263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27596020 + ... + 27597117.

Almost surely, 230301032213 is an apocalyptic number.

It is an amenable number.

30301032213 is a deficient number, since it is larger than the sum of its proper divisors (14184637015).

30301032213 is a wasteful number, since it uses less digits than its factorization.

30301032213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55193204 (or 55193201 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 30301032213 its reverse (31223010303), we get a palindrome (61524042516).

The spelling of 30301032213 in words is "thirty billion, three hundred one million, thirty-two thousand, two hundred thirteen".

Divisors: 1 3 9 61 183 549 55193137 165579411 496738233 3366781357 10100344071 30301032213