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30112122212103 = 314968239987191
BaseRepresentation
bin1101101100011000001100…
…10110010000111100000111
310221121200122120102021120110
412312030012112100330013
512421324111241241403
6144013152403204103
76225346313435031
oct666140626207407
9127550576367513
1030112122212103
11965a52aa70568
123463b20976633
1313a573a503259
1476161235cc51
15373443375103
hex1b6306590f07

30112122212103 has 16 divisors (see below), whose sum is σ = 40419589248000. Its totient is φ = 19939705881120.

The previous prime is 30112122212057. The next prime is 30112122212131. The reversal of 30112122212103 is 30121222121103.

It is not a de Polignac number, because 30112122212103 - 216 = 30112122146567 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30112122212103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30112122217103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30009238 + ... + 30996428.

It is an arithmetic number, because the mean of its divisors is an integer number (2526224328000).

Almost surely, 230112122212103 is an apocalyptic number.

30112122212103 is a deficient number, since it is larger than the sum of its proper divisors (10307467035897).

30112122212103 is a wasteful number, since it uses less digits than its factorization.

30112122212103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055582.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 30112122212103 its reverse (30121222121103), we get a palindrome (60233344333206).

The spelling of 30112122212103 in words is "thirty trillion, one hundred twelve billion, one hundred twenty-two million, two hundred twelve thousand, one hundred three".

Divisors: 1 3 149 447 68239 204717 987191 2961573 10167611 30502833 147091459 441274377 67364926649 202094779947 10037374070701 30112122212103