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30232212121211 = 198305315245287
BaseRepresentation
bin1101101111110111111000…
…10000111010011001111011
310222001011121211202202011212
412313323330100322121323
512430311032300334321
6144144253030513335
76240130254014102
oct667737420723173
9128034554682155
1030232212121211
1196a6455654731
12348325680584b
1313b3b6820a079
147673655cb039
1537662118a55b
hex1b7efc43a67b

30232212121211 has 4 divisors (see below), whose sum is σ = 30232229349552. Its totient is φ = 30232194892872.

The previous prime is 30232212121207. The next prime is 30232212121217. The reversal of 30232212121211 is 11212121223203.

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 30232212121211 - 22 = 30232212121207 is a prime.

It is a super-2 number, since 2×302322121212112 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30232212121217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5639591 + ... + 9605696.

It is an arithmetic number, because the mean of its divisors is an integer number (7558057337388).

Almost surely, 230232212121211 is an apocalyptic number.

30232212121211 is a deficient number, since it is larger than the sum of its proper divisors (17228341).

30232212121211 is a wasteful number, since it uses less digits than its factorization.

30232212121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17228340.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 30232212121211 its reverse (11212121223203), we get a palindrome (41444333344414).

The spelling of 30232212121211 in words is "thirty trillion, two hundred thirty-two billion, two hundred twelve million, one hundred twenty-one thousand, two hundred eleven".

Divisors: 1 1983053 15245287 30232212121211