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30332121211 = 74333160173
BaseRepresentation
bin11100001111111011…
…110111000001111011
32220021220020102000201
4130033323313001323
5444110010334321
621533454343031
72122441530160
oct341773670173
986256212021
1030332121211
1111955767677
125a661baa77
132b2512b522
14167a5c0067
15bc7d80291
hex70fef707b

30332121211 has 4 divisors (see below), whose sum is σ = 34665281392. Its totient is φ = 25998961032.

The previous prime is 30332121187. The next prime is 30332121223. The reversal of 30332121211 is 11212123303.

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 30332121211 - 223 = 30323732603 is a prime.

It is a super-2 number, since 2×303321212112 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30332121271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2166580080 + ... + 2166580093.

It is an arithmetic number, because the mean of its divisors is an integer number (8666320348).

Almost surely, 230332121211 is an apocalyptic number.

30332121211 is a deficient number, since it is larger than the sum of its proper divisors (4333160181).

30332121211 is an equidigital number, since it uses as much as digits as its factorization.

30332121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4333160180.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 30332121211 its reverse (11212123303), we get a palindrome (41544244514).

The spelling of 30332121211 in words is "thirty billion, three hundred thirty-two million, one hundred twenty-one thousand, two hundred eleven".

Divisors: 1 7 4333160173 30332121211