Base | Representation |
---|---|
bin | 111110101110111… |
… | …1111001100010101 |
3 | 12102200221201222221 |
4 | 1331131333030111 |
5 | 13302340404023 |
6 | 544513422341 |
7 | 103110213115 |
oct | 17535771425 |
9 | 5380851887 |
10 | 2105013013 |
11 | 990252484 |
12 | 4a8b6a9b1 |
13 | 27715483c |
14 | 15d7d3045 |
15 | c4c0785d |
hex | 7d77f315 |
2105013013 has 8 divisors (see below), whose sum is σ = 2175297696. Its totient is φ = 2035698000.
The previous prime is 2105013011. The next prime is 2105013019. The reversal of 2105013013 is 3103105012.
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 2105013013 - 21 = 2105013011 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2105013011) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238003 + ... + 246688.
It is an arithmetic number, because the mean of its divisors is an integer number (271912212).
Almost surely, 22105013013 is an apocalyptic number.
It is an amenable number.
2105013013 is a deficient number, since it is larger than the sum of its proper divisors (70284683).
2105013013 is a wasteful number, since it uses less digits than its factorization.
2105013013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 484835.
The product of its (nonzero) digits is 90, while the sum is 16.
The square root of 2105013013 is about 45880.4208023423. The cubic root of 2105013013 is about 1281.5973330218.
Adding to 2105013013 its reverse (3103105012), we get a palindrome (5208118025).
The spelling of 2105013013 in words is "two billion, one hundred five million, thirteen thousand, thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •