Base | Representation |
---|---|
bin | 1101000001010111… |
… | …10111111001011101 |
3 | 200001012110121022120 |
4 | 12200223313321131 |
5 | 103304122314010 |
6 | 3113405333153 |
7 | 335145005115 |
oct | 64053677135 |
9 | 20035417276 |
10 | 6990823005 |
11 | 2a68156881 |
12 | 14312671b9 |
13 | 875441b7a |
14 | 4a464c045 |
15 | 2adb04e70 |
hex | 1a0af7e5d |
6990823005 has 16 divisors (see below), whose sum is σ = 11423303424. Its totient is φ = 3649110080.
The previous prime is 6990823003. The next prime is 6990823057. The reversal of 6990823005 is 5003280996.
It is not a de Polignac number, because 6990823005 - 21 = 6990823003 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6990823001) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4957326 + ... + 4958735.
It is an arithmetic number, because the mean of its divisors is an integer number (713956464).
Almost surely, 26990823005 is an apocalyptic number.
It is an amenable number.
6990823005 is a deficient number, since it is larger than the sum of its proper divisors (4432480419).
6990823005 is a wasteful number, since it uses less digits than its factorization.
6990823005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9916116.
The product of its (nonzero) digits is 116640, while the sum is 42.
The square root of 6990823005 is about 83611.1416319619. The cubic root of 6990823005 is about 1912.0948667245.
The spelling of 6990823005 in words is "six billion, nine hundred ninety million, eight hundred twenty-three thousand, five".
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