Base | Representation |
---|---|
bin | 11000011110110010… |
… | …00001110101100111 |
3 | 1020220222002201220201 |
4 | 30033121001311213 |
5 | 203404114340010 |
6 | 10012102411331 |
7 | 643461454525 |
oct | 141731016547 |
9 | 36828081821 |
10 | 13143121255 |
11 | 5634a49590 |
12 | 2669730b47 |
13 | 1315c32934 |
14 | 8c9783315 |
15 | 51dcc323a |
hex | 30f641d67 |
13143121255 has 8 divisors (see below), whose sum is σ = 17205540624. Its totient is φ = 9558633600.
The previous prime is 13143121249. The next prime is 13143121267. The reversal of 13143121255 is 55212134131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13143121255 - 23 = 13143121247 is a prime.
It is a Duffinian number.
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, 119482866 + ... + 119482975.
It is an arithmetic number, because the mean of its divisors is an integer number (2150692578).
Almost surely, 213143121255 is an apocalyptic number.
13143121255 is a deficient number, since it is larger than the sum of its proper divisors (4062419369).
13143121255 is a wasteful number, since it uses less digits than its factorization.
13143121255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 238965857.
The product of its digits is 3600, while the sum is 28.
Adding to 13143121255 its reverse (55212134131), we get a palindrome (68355255386).
The spelling of 13143121255 in words is "thirteen billion, one hundred forty-three million, one hundred twenty-one thousand, two hundred fifty-five".
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