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12110410420 = 225605520521
BaseRepresentation
bin10110100011101011…
…00011001010110100
31011020222212120222021
423101311203022310
5144300231113140
65321412042524
7606051535003
oct132165431264
934228776867
1012110410420
115155013659
12241b903444
1311accb1934
1482c55cc3a
154ad2ceb4a
hex2d1d632b4

12110410420 has 12 divisors (see below), whose sum is σ = 25431861924. Its totient is φ = 4844164160.

The previous prime is 12110410373. The next prime is 12110410423. The reversal of 12110410420 is 2401401121.

It is a happy number.

12110410420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5017738896 + 7092671524 = 70836^2 + 84218^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12110410394 and 12110410403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110410423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302760241 + ... + 302760280.

It is an arithmetic number, because the mean of its divisors is an integer number (2119321827).

Almost surely, 212110410420 is an apocalyptic number.

12110410420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12110410420 is an abundant number, since it is smaller than the sum of its proper divisors (13321451504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12110410420 is a wasteful number, since it uses less digits than its factorization.

12110410420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605520530 (or 605520528 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12110410420 its reverse (2401401121), we get a palindrome (14511811541).

The spelling of 12110410420 in words is "twelve billion, one hundred ten million, four hundred ten thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 605520521 1211041042 2422082084 3027602605 6055205210 12110410420