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30122434111 = 7111920589497
BaseRepresentation
bin11100000011011011…
…111101111000111111
32212202021200012101211
4130003123331320333
5443142320342421
621501004145251
72114314315420
oct340333757077
985667605354
1030122434111
1111858368650
125a07b38227
132ac0861c13
14165a7d9647
15bb47609e1
hex7036fde3f

30122434111 has 16 divisors (see below), whose sum is σ = 39531836160. Its totient is φ = 22236655680.

The previous prime is 30122434109. The next prime is 30122434207. The reversal of 30122434111 is 11143422103.

It is a cyclic number.

It is not a de Polignac number, because 30122434111 - 21 = 30122434109 is a prime.

It is a super-2 number, since 2×301224341112 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30122434411) 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 15 ways as a sum of consecutive naturals, for example, 10293286 + ... + 10296211.

It is an arithmetic number, because the mean of its divisors is an integer number (2470739760).

Almost surely, 230122434111 is an apocalyptic number.

30122434111 is a deficient number, since it is larger than the sum of its proper divisors (9409402049).

30122434111 is a wasteful number, since it uses less digits than its factorization.

30122434111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20589534.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 30122434111 its reverse (11143422103), we get a palindrome (41265856214).

The spelling of 30122434111 in words is "thirty billion, one hundred twenty-two million, four hundred thirty-four thousand, one hundred eleven".

Divisors: 1 7 11 19 77 133 209 1463 20589497 144126479 226484467 391200443 1585391269 2738403101 4303204873 30122434111