Base | Representation |
---|---|
bin | 10010101001010010… |
… | …100111101110100011 |
3 | 1220200020100110021022 |
4 | 102221102213232203 |
5 | 312000121200003 |
6 | 13110324120055 |
7 | 1306055020331 |
oct | 225122475643 |
9 | 56606313238 |
10 | 20020100003 |
11 | 85439084a2 |
12 | 3a6883602b |
13 | 1b708c4727 |
14 | d7cc38b51 |
15 | 7c28db738 |
hex | 4a94a7ba3 |
20020100003 has 8 divisors (see below), whose sum is σ = 20493209088. Its totient is φ = 19547333064.
The previous prime is 20020099991. The next prime is 20020100027. The reversal of 20020100003 is 30000102002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20020100003 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20020100603) 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, 34850 + ... + 203112.
It is an arithmetic number, because the mean of its divisors is an integer number (2561651136).
Almost surely, 220020100003 is an apocalyptic number.
20020100003 is a deficient number, since it is larger than the sum of its proper divisors (473109085).
20020100003 is a wasteful number, since it uses less digits than its factorization.
20020100003 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 171073.
The product of its (nonzero) digits is 12, while the sum is 8.
Adding to 20020100003 its reverse (30000102002), we get a palindrome (50020202005).
The spelling of 20020100003 in words is "twenty billion, twenty million, one hundred thousand, three".
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