Base | Representation |
---|---|
bin | 11000010000011111… |
… | …01001010101101111 |
3 | 1020121121111011211100 |
4 | 30020033221111233 |
5 | 203132421033403 |
6 | 5552140454143 |
7 | 640504360434 |
oct | 141017512557 |
9 | 36547434740 |
10 | 13023221103 |
11 | 55832a5852 |
12 | 263554a353 |
13 | 12c71422b9 |
14 | 8b7891b8b |
15 | 5134dc2a3 |
hex | 3083e956f |
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".
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