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13021111303 = 107121692629
BaseRepresentation
bin11000010000001111…
…00110010000000111
31020121110111222201121
430020013212100013
5203131401030203
65552023334411
7640450422424
oct141007462007
936543458647
1013021111303
115582094712
1226348b1407
1312c6883bb5
148b74a2d4b
155132220bd
hex3081e6407

13021111303 has 4 divisors (see below), whose sum is σ = 13142804040. Its totient is φ = 12899418568.

The previous prime is 13021111267. The next prime is 13021111307. The reversal of 13021111303 is 30311112031.

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

It is a cyclic number.

It is not a de Polignac number, because 13021111303 - 225 = 12987556871 is a prime.

It is a super-2 number, since 2×130211113032 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021111307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60846208 + ... + 60846421.

It is an arithmetic number, because the mean of its divisors is an integer number (3285701010).

Almost surely, 213021111303 is an apocalyptic number.

13021111303 is a deficient number, since it is larger than the sum of its proper divisors (121692737).

13021111303 is a wasteful number, since it uses less digits than its factorization.

13021111303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121692736.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 13021111303 its reverse (30311112031), we get a palindrome (43332223334).

The spelling of 13021111303 in words is "thirteen billion, twenty-one million, one hundred eleven thousand, three hundred three".

Divisors: 1 107 121692629 13021111303