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13203110011 = 7131973072399
BaseRepresentation
bin11000100101111011…
…10111100001111011
31021002010222111000111
430102331313201323
5204014444010021
610022044245151
7645120404050
oct142275674173
937063874014
1013203110011
1156658a1a73
1226858407b7
1313254a7740
148d371b027
155241c28e1
hex312f7787b

13203110011 has 32 divisors (see below), whose sum is σ = 16392499200. Its totient is φ = 10355216256.

The previous prime is 13203110009. The next prime is 13203110029. The reversal of 13203110011 is 11001130231.

It is not a de Polignac number, because 13203110011 - 21 = 13203110009 is a prime.

It is a super-2 number, since 2×132031100112 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 13203109973 and 13203110000.

It is not an unprimeable number, because it can be changed into a prime (13203110071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5502390 + ... + 5504788.

It is an arithmetic number, because the mean of its divisors is an integer number (512265600).

Almost surely, 213203110011 is an apocalyptic number.

13203110011 is a deficient number, since it is larger than the sum of its proper divisors (3189389189).

13203110011 is a wasteful number, since it uses less digits than its factorization.

13203110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2923.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 13203110011 its reverse (11001130231), we get a palindrome (24204240242).

The spelling of 13203110011 in words is "thirteen billion, two hundred three million, one hundred ten thousand, eleven".

Divisors: 1 7 13 91 197 307 1379 2149 2399 2561 3991 16793 17927 27937 31187 60479 218309 423353 472603 736493 786227 3308221 5155451 5503589 6143839 9574409 43006873 67020863 145089121 1015623847 1886158573 13203110011