Base | Representation |
---|---|
bin | 11000100111000010… |
… | …11001001110111111 |
3 | 1021002210111122011211 |
4 | 30103201121032333 |
5 | 204024340014403 |
6 | 10023020025251 |
7 | 645262512655 |
oct | 142341311677 |
9 | 37083448154 |
10 | 13212423103 |
11 | 5670083040 |
12 | 2688992227 |
13 | 13273b8749 |
14 | 8d4a62dd5 |
15 | 524e1206d |
hex | 3138593bf |
13212423103 has 12 divisors (see below), whose sum is σ = 15311286072. Its totient is φ = 11304744320.
The previous prime is 13212423083. The next prime is 13212423121. The reversal of 13212423103 is 30132421231.
It is not a de Polignac number, because 13212423103 - 217 = 13212292031 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13212423173) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2074900 + ... + 2081257.
It is an arithmetic number, because the mean of its divisors is an integer number (1275940506).
Almost surely, 213212423103 is an apocalyptic number.
13212423103 is a deficient number, since it is larger than the sum of its proper divisors (2098862969).
13212423103 is a wasteful number, since it uses less digits than its factorization.
13212423103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4156202 (or 4156185 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 13212423103 its reverse (30132421231), we get a palindrome (43344844334).
The spelling of 13212423103 in words is "thirteen billion, two hundred twelve million, four hundred twenty-three thousand, one hundred three".
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