Base | Representation |
---|---|
bin | 11001000101100000… |
… | …11000111110010110 |
3 | 1021202121102220211111 |
4 | 30202300120332112 |
5 | 210040302344223 |
6 | 10104230125234 |
7 | 654515134246 |
oct | 144260307626 |
9 | 37677386744 |
10 | 13468012438 |
11 | 57913840a1 |
12 | 273a4b081a |
13 | 136833723a |
14 | 91a995b26 |
15 | 53c59c30d |
hex | 322c18f96 |
13468012438 has 16 divisors (see below), whose sum is σ = 20918286000. Its totient is φ = 6495687072.
The previous prime is 13468012417. The next prime is 13468012451. The reversal of 13468012438 is 83421086431.
It is a self number, because there is not a number n which added to its sum of digits gives 13468012438.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46608 + ... + 170611.
It is an arithmetic number, because the mean of its divisors is an integer number (1307392875).
Almost surely, 213468012438 is an apocalyptic number.
13468012438 is a deficient number, since it is larger than the sum of its proper divisors (7450273562).
13468012438 is a wasteful number, since it uses less digits than its factorization.
13468012438 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 218319.
The product of its (nonzero) digits is 110592, while the sum is 40.
Adding to 13468012438 its reverse (83421086431), we get a palindrome (96889098869).
The spelling of 13468012438 in words is "thirteen billion, four hundred sixty-eight million, twelve thousand, four hundred thirty-eight".
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