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2111103210013 = 7301586172859
BaseRepresentation
bin11110101110000111100…
…011101001001000011101
321110211010102010200222021
4132232013203221020131
5234042014410210023
64253454420220141
7305344051131160
oct36560743511035
97424112120867
102111103210013
1174434a7a8a06
122a119023a651
131240cb497065
147426c3a9ad7
1539dabd9235d
hex1eb878e921d

2111103210013 has 4 divisors (see below), whose sum is σ = 2412689382880. Its totient is φ = 1809517037148.

The previous prime is 2111103209987. The next prime is 2111103210023. The reversal of 2111103210013 is 3100123011112.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2111103210013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111103210023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150793086423 + ... + 150793086436.

It is an arithmetic number, because the mean of its divisors is an integer number (603172345720).

Almost surely, 22111103210013 is an apocalyptic number.

It is an amenable number.

2111103210013 is a deficient number, since it is larger than the sum of its proper divisors (301586172867).

2111103210013 is an equidigital number, since it uses as much as digits as its factorization.

2111103210013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301586172866.

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

Adding to 2111103210013 its reverse (3100123011112), we get a palindrome (5211226221125).

The spelling of 2111103210013 in words is "two trillion, one hundred eleven billion, one hundred three million, two hundred ten thousand, thirteen".

Divisors: 1 7 301586172859 2111103210013