Base | Representation |
---|---|
bin | 111011110000011… |
… | …0111111100001111 |
3 | 12011201221221221202 |
4 | 1313200313330033 |
5 | 13101301401242 |
6 | 530544220115 |
7 | 100455060251 |
oct | 16740677417 |
9 | 5151857852 |
10 | 2005106447 |
11 | 939915173 |
12 | 47b60a63b |
13 | 25c544726 |
14 | 150427cd1 |
15 | bb070932 |
hex | 77837f0f |
2005106447 has 8 divisors (see below), whose sum is σ = 2031266160. Its totient is φ = 1978994560.
The previous prime is 2005106407. The next prime is 2005106471. The reversal of 2005106447 is 7446015002.
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 2005106447 - 214 = 2005090063 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 (2005106407) 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, 76679 + ... + 99447.
It is an arithmetic number, because the mean of its divisors is an integer number (253908270).
Almost surely, 22005106447 is an apocalyptic number.
2005106447 is a deficient number, since it is larger than the sum of its proper divisors (26159713).
2005106447 is a wasteful number, since it uses less digits than its factorization.
2005106447 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23913.
The product of its (nonzero) digits is 6720, while the sum is 29.
The square root of 2005106447 is about 44778.4149674818. The cubic root of 2005106447 is about 1260.9924252689.
The spelling of 2005106447 in words is "two billion, five million, one hundred six thousand, four hundred forty-seven".
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