| Base | Representation |
|---|---|
| bin | 111111101001101… |
| … | …1110010110000000 |
| 3 | 12111211220110112000 |
| 4 | 1333103132112000 |
| 5 | 13333231431311 |
| 6 | 551533504000 |
| 7 | 103633045362 |
| oct | 17723362600 |
| 9 | 5454813460 |
| 10 | 2135811456 |
| 11 | 9a6678839 |
| 12 | 4b7342000 |
| 13 | 28064907c |
| 14 | 16392cd32 |
| 15 | c778d056 |
| hex | 7f4de580 |
2135811456 has 128 divisors (see below), whose sum is σ = 6674594400. Its totient is φ = 670040064.
The previous prime is 2135811427. The next prime is 2135811467. The reversal of 2135811456 is 6541185312.
2135811456 is a `hidden beast` number, since 2 + 13 + 581 + 14 + 56 = 666.
It is a tau number, because it is divible by the number of its divisors (128).
It is a super-3 number, since 3×21358114563 (a number of 29 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 2135811456.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40576 + ... + 76928.
Almost surely, 22135811456 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2135811456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3337297200).
2135811456 is an abundant number, since it is smaller than the sum of its proper divisors (4538782944).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2135811456 is a wasteful number, since it uses less digits than its factorization.
2135811456 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36393 (or 36375 counting only the distinct ones).
The product of its digits is 28800, while the sum is 36.
The square root of 2135811456 is about 46214.8402139399. The cubic root of 2135811456 is about 1287.8174451606.
Adding to 2135811456 its reverse (6541185312), we get a palindrome (8676996768).
The spelling of 2135811456 in words is "two billion, one hundred thirty-five million, eight hundred eleven thousand, four hundred fifty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •