Base | Representation |
---|---|
bin | 11000010000001111… |
… | …00101111011110101 |
3 | 1020121110111220221112 |
4 | 30020013211323311 |
5 | 203131401010010 |
6 | 5552023324405 |
7 | 640450415561 |
oct | 141007457365 |
9 | 36543456845 |
10 | 13021110005 |
11 | 5582093742 |
12 | 26348b0705 |
13 | 12c6883427 |
14 | 8b74a26a1 |
15 | 513221a05 |
hex | 3081e5ef5 |
13021110005 has 8 divisors (see below), whose sum is σ = 15660135000. Its totient is φ = 10393686016.
The previous prime is 13021109993. The next prime is 13021110029. The reversal of 13021110005 is 50001112031.
It can be written as a sum of positive squares in 4 ways, for example, as 5884577521 + 7136532484 = 76711^2 + 84478^2 .
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 13021110005 - 24 = 13021109989 is a prime.
It is a super-2 number, since 2×130211100052 (a number of 21 digits) contains 22 as substring.
It is a Curzon 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, 2897780 + ... + 2902269.
It is an arithmetic number, because the mean of its divisors is an integer number (1957516875).
Almost surely, 213021110005 is an apocalyptic number.
It is an amenable number.
13021110005 is a deficient number, since it is larger than the sum of its proper divisors (2639024995).
13021110005 is an equidigital number, since it uses as much as digits as its factorization.
13021110005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5800503.
The product of its (nonzero) digits is 30, while the sum is 14.
Adding to 13021110005 its reverse (50001112031), we get a palindrome (63022222036).
The spelling of 13021110005 in words is "thirteen billion, twenty-one million, one hundred ten thousand, five".
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