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30112110221221 = 718123766464263
BaseRepresentation
bin1101101100011000001011…
…01000100001011110100101
310221121200121201212002011201
412312030011220201132211
512421324100204034341
6144013151254202501
76225346106504140
oct666140550413645
9127550551762151
1030112110221221
11965a524220646
123463b18953431
1313a5737b95462
1476161091b057
153734422a7331
hex1b6305a217a5

30112110221221 has 8 divisors (see below), whose sum is σ = 34603971968384. Its totient is φ = 25667781402960.

The previous prime is 30112110221209. The next prime is 30112110221227. The reversal of 30112110221221 is 12212201121103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30112110221221 - 211 = 30112110219173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30112110221227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11883230865 + ... + 11883233398.

It is an arithmetic number, because the mean of its divisors is an integer number (4325496496048).

Almost surely, 230112110221221 is an apocalyptic number.

It is an amenable number.

30112110221221 is a deficient number, since it is larger than the sum of its proper divisors (4491861747163).

30112110221221 is a wasteful number, since it uses less digits than its factorization.

30112110221221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23766464451.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 30112110221221 its reverse (12212201121103), we get a palindrome (42324311342324).

The spelling of 30112110221221 in words is "thirty trillion, one hundred twelve billion, one hundred ten million, two hundred twenty-one thousand, two hundred twenty-one".

Divisors: 1 7 181 1267 23766464263 166365249841 4301730031603 30112110221221