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11212312000013 = 107719110408843
BaseRepresentation
bin1010001100101001000111…
…0111111011011000001101
31110200212221022010202201022
42203022101313323120031
52432200303333000023
635502510502323525
72235030354333155
oct243122167733015
943625838122638
1011212312000013
113633129901a33
1213110307295a5
13634416417827
142aa97088d765
151469d097d7c8
hexa3291dfb60d

11212312000013 has 4 divisors (see below), whose sum is σ = 11212323486048. Its totient is φ = 11212300513980.

The previous prime is 11212312000003. The next prime is 11212312000027. The reversal of 11212312000013 is 31000021321211.

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 not a de Polignac number, because 11212312000013 - 234 = 11195132130829 is a prime.

It is a super-2 number, since 2×112123120000132 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11212311999955 and 11212312000000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212312000003) 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 3 ways as a sum of consecutive naturals, for example, 4127231 + ... + 6281612.

It is an arithmetic number, because the mean of its divisors is an integer number (2803080871512).

Almost surely, 211212312000013 is an apocalyptic number.

It is an amenable number.

11212312000013 is a deficient number, since it is larger than the sum of its proper divisors (11486035).

11212312000013 is a wasteful number, since it uses less digits than its factorization.

11212312000013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11486034.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11212312000013 its reverse (31000021321211), we get a palindrome (42212333321224).

The spelling of 11212312000013 in words is "eleven trillion, two hundred twelve billion, three hundred twelve million, thirteen", and thus it is an aban number.

Divisors: 1 1077191 10408843 11212312000013