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13023221103 = 328987718539
BaseRepresentation
bin11000010000011111…
…01001010101101111
31020121121111011211100
430020033221111233
5203132421033403
65552140454143
7640504360434
oct141017512557
936547434740
1013023221103
1155832a5852
12263554a353
1312c71422b9
148b7891b8b
155134dc2a3
hex3083e956f

13023221103 has 24 divisors (see below), whose sum is σ = 19045400400. Its totient is φ = 8574344064.

The previous prime is 13023221051. The next prime is 13023221111. The reversal of 13023221103 is 30112232031.

It is not a de Polignac number, because 13023221103 - 210 = 13023220079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13023221143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 693208 + ... + 711746.

It is an arithmetic number, because the mean of its divisors is an integer number (793558350).

Almost surely, 213023221103 is an apocalyptic number.

13023221103 is a deficient number, since it is larger than the sum of its proper divisors (6022179297).

13023221103 is a wasteful number, since it uses less digits than its factorization.

13023221103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19511 (or 19508 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13023221103 its reverse (30112232031), we get a palindrome (43135453134).

The spelling of 13023221103 in words is "thirteen billion, twenty-three million, two hundred twenty-one thousand, one hundred three".

Divisors: 1 3 9 89 267 801 877 2631 7893 18539 55617 78053 166851 234159 702477 1649971 4949913 14849739 16258703 48776109 146328327 1447024567 4341073701 13023221103