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12102203031113 = 13930938694701
BaseRepresentation
bin1011000000011100001110…
…0000110011111001001001
31120211221220100010000121002
42300013003200303321021
53041240302433443423
641423401511424345
72356232605313156
oct260070340637111
946757810100532
1012102203031113
11394657411a878
1214355a33850b5
1369a304752520
142dba6d46922d
1515ec15775228
hexb01c3833e49

12102203031113 has 4 divisors (see below), whose sum is σ = 13033141725828. Its totient is φ = 11171264336400.

The previous prime is 12102203031047. The next prime is 12102203031161. The reversal of 12102203031113 is 31113030220121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7511091165769 + 4591111865344 = 2740637^2 + 2142688^2 .

It is a cyclic number.

It is not a de Polignac number, because 12102203031113 - 28 = 12102203030857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12102203031913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465469347338 + ... + 465469347363.

It is an arithmetic number, because the mean of its divisors is an integer number (3258285431457).

Almost surely, 212102203031113 is an apocalyptic number.

12102203031113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12102203031113 is a deficient number, since it is larger than the sum of its proper divisors (930938694715).

12102203031113 is an equidigital number, since it uses as much as digits as its factorization.

12102203031113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930938694714.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12102203031113 its reverse (31113030220121), we get a palindrome (43215233251234).

The spelling of 12102203031113 in words is "twelve trillion, one hundred two billion, two hundred three million, thirty-one thousand, one hundred thirteen".

Divisors: 1 13 930938694701 12102203031113