Base | Representation |
---|---|
bin | 111011110000100… |
… | …0000011111000101 |
3 | 12011202000201221222 |
4 | 1313201000133011 |
5 | 13101304011240 |
6 | 530545050125 |
7 | 100455264266 |
oct | 16741003705 |
9 | 5152021858 |
10 | 2005141445 |
11 | 93993949a |
12 | 47b626945 |
13 | 25c557638 |
14 | 15043696d |
15 | bb07aeb5 |
hex | 778407c5 |
2005141445 has 8 divisors (see below), whose sum is σ = 2420578944. Its totient is φ = 1594507024.
The previous prime is 2005141433. The next prime is 2005141447. The reversal of 2005141445 is 5441415002.
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 2005141445 - 28 = 2005141189 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 (2005141447) 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, 1199849 + ... + 1201518.
It is an arithmetic number, because the mean of its divisors is an integer number (302572368).
Almost surely, 22005141445 is an apocalyptic number.
It is an amenable number.
2005141445 is a deficient number, since it is larger than the sum of its proper divisors (415437499).
2005141445 is a wasteful number, since it uses less digits than its factorization.
2005141445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2401539.
The product of its (nonzero) digits is 3200, while the sum is 26.
The square root of 2005141445 is about 44778.8057567417. The cubic root of 2005141445 is about 1260.9997618629. Note that the first 3 decimals are identical.
Adding to 2005141445 its reverse (5441415002), we get a palindrome (7446556447).
The spelling of 2005141445 in words is "two billion, five million, one hundred forty-one thousand, four hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •