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13120313011 = 137161323189
BaseRepresentation
bin11000011100000100…
…00001011010110011
31020212101011221212221
430032002001122303
5203332300004021
610005525501511
7643063551301
oct141602013263
936771157787
1013120313011
1156230903a3
122661b71897
1313112a8230
148c6727271
1551bcba241
hex30e0816b3

13120313011 has 16 divisors (see below), whose sum is σ = 14352569280. Its totient is φ = 11920487040.

The previous prime is 13120312957. The next prime is 13120313051. The reversal of 13120313011 is 11031302131.

It is a cyclic number.

It is not a de Polignac number, because 13120313011 - 27 = 13120312883 is a prime.

It is a super-2 number, since 2×131203130112 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13120313051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 554205 + ... + 577393.

It is an arithmetic number, because the mean of its divisors is an integer number (897035580).

Almost surely, 213120313011 is an apocalyptic number.

13120313011 is a deficient number, since it is larger than the sum of its proper divisors (1232256269).

13120313011 is a wasteful number, since it uses less digits than its factorization.

13120313011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23886.

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

Adding to 13120313011 its reverse (11031302131), we get a palindrome (24151615142).

The spelling of 13120313011 in words is "thirteen billion, one hundred twenty million, three hundred thirteen thousand, eleven".

Divisors: 1 13 71 613 923 7969 23189 43523 301457 565799 1646419 14214857 21403447 184793141 1009254847 13120313011