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111122220013 = 751713069929
BaseRepresentation
bin110011101111101100…
…1101000001111101101
3101121211022001122211021
41213133121220033231
53310034242020023
6123014314454141
711012466166630
oct1473731501755
9347738048737
10111122220013
1143143661672
1219652734351
13a62bb5a60c
145542267c17
152d558bc35d
hex19df6683ed

111122220013 has 8 divisors (see below), whose sum is σ = 127021423680. Its totient is φ = 95229166560.

The previous prime is 111122219959. The next prime is 111122220017. The reversal of 111122220013 is 310022221111.

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 111122220013 - 225 = 111088665581 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 (111122220017) 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 7 ways as a sum of consecutive naturals, for example, 1498768 + ... + 1571161.

It is an arithmetic number, because the mean of its divisors is an integer number (15877677960).

Almost surely, 2111122220013 is an apocalyptic number.

It is an amenable number.

111122220013 is a deficient number, since it is larger than the sum of its proper divisors (15899203667).

111122220013 is an equidigital number, since it uses as much as digits as its factorization.

111122220013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3075107.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 111122220013 its reverse (310022221111), we get a palindrome (421144441124).

The spelling of 111122220013 in words is "one hundred eleven billion, one hundred twenty-two million, two hundred twenty thousand, thirteen".

Divisors: 1 7 5171 36197 3069929 21489503 15874602859 111122220013