Base | Representation |
---|---|
bin | 1100000110110011110000… |
… | …1011100000100000110101 |
3 | 1202010112022101001200200002 |
4 | 3001230330023200200311 |
5 | 3221042130001100041 |
6 | 44151012510201045 |
7 | 2542460540124455 |
oct | 301547413404065 |
9 | 52115271050602 |
10 | 13311113300021 |
11 | 427223648a869 |
12 | 15ab948ab3185 |
13 | 757304030aa4 |
14 | 3403930cbd65 |
15 | 1813bc81559b |
hex | c1b3c2e0835 |
13311113300021 has 8 divisors (see below), whose sum is σ = 13315329986904. Its totient is φ = 13306897244160.
The previous prime is 13311113299997. The next prime is 13311113300033. The reversal of 13311113300021 is 12000331111331.
It can be written as a sum of positive squares in 4 ways, for example, as 5341247920996 + 7969865379025 = 2311114^2 + 2823095^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13311113300021 - 222 = 13311109105717 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13311113299966 and 13311113300002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13311113300921) 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 7 ways as a sum of consecutive naturals, for example, 43972301 + ... + 44273981.
It is an arithmetic number, because the mean of its divisors is an integer number (1664416248363).
Almost surely, 213311113300021 is an apocalyptic number.
It is an amenable number.
13311113300021 is a deficient number, since it is larger than the sum of its proper divisors (4216686883).
13311113300021 is an equidigital number, since it uses as much as digits as its factorization.
13311113300021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 315511.
The product of its (nonzero) digits is 162, while the sum is 20.
Adding to 13311113300021 its reverse (12000331111331), we get a palindrome (25311444411352).
The spelling of 13311113300021 in words is "thirteen trillion, three hundred eleven billion, one hundred thirteen million, three hundred thousand, twenty-one".
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