Base | Representation |
---|---|
bin | 110011011011000101… |
… | …101010001100100011 |
3 | 12021112001022221012101 |
4 | 303123011222030203 |
5 | 1401040104121121 |
6 | 41210543311231 |
7 | 3663200214064 |
oct | 633305521443 |
9 | 167461287171 |
10 | 55215301411 |
11 | 21464664206 |
12 | a84b5ab517 |
13 | 528c3b24aa |
14 | 295b23856b |
15 | 1682679491 |
hex | cdb16a323 |
55215301411 has 4 divisors (see below), whose sum is σ = 56499378232. Its totient is φ = 53931224592.
The previous prime is 55215301397. The next prime is 55215301439. The reversal of 55215301411 is 11410351255.
55215301411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11410351255 = 5 ⋅2282070251.
It is a cyclic number.
It is not a de Polignac number, because 55215301411 - 227 = 55081083683 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 55215301411.
It is not an unprimeable number, because it can be changed into a prime (55215301441) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642038346 + ... + 642038431.
It is an arithmetic number, because the mean of its divisors is an integer number (14124844558).
Almost surely, 255215301411 is an apocalyptic number.
55215301411 is a deficient number, since it is larger than the sum of its proper divisors (1284076821).
55215301411 is a wasteful number, since it uses less digits than its factorization.
55215301411 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1284076820.
The product of its (nonzero) digits is 3000, while the sum is 28.
Adding to 55215301411 its reverse (11410351255), we get a palindrome (66625652666).
The spelling of 55215301411 in words is "fifty-five billion, two hundred fifteen million, three hundred one thousand, four hundred eleven".
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