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30120111102103 = 1110162687432479
BaseRepresentation
bin1101101100100111000101…
…00001011101100010010111
310221122110021022220221102021
412312103202201131202113
512421441441420231403
6144020553224554011
76226051301043361
oct666234241354227
9127573238827367
1030120111102103
11966295a53a8a0
123465590322907
1313a64116564b9
14761b6d373d31
1537375e8c88bd
hex1b64e285d897

30120111102103 has 16 divisors (see below), whose sum is σ = 33184238837760. Its totient is φ = 27110315908000.

The previous prime is 30120111102097. The next prime is 30120111102119.

It is a happy number.

30120111102103 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 30120111102103 - 25 = 30120111102071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30120111102803) 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, 69429018 + ... + 69861496.

It is an arithmetic number, because the mean of its divisors is an integer number (2074014927360).

Almost surely, 230120111102103 is an apocalyptic number.

30120111102103 is a deficient number, since it is larger than the sum of its proper divisors (3064127735657).

30120111102103 is a wasteful number, since it uses less digits than its factorization.

30120111102103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495278.

The product of its (nonzero) digits is 36, while the sum is 16.

It can be divided in two parts, 3012011 and 1102103, that added together give a palindrome (4114114).

The spelling of 30120111102103 in words is "thirty trillion, one hundred twenty billion, one hundred eleven million, one hundred two thousand, one hundred three".

Divisors: 1 11 101 1111 62687 432479 689557 4757269 6331387 43680379 69645257 480484169 27110811073 298218921803 2738191918373 30120111102103