Base | Representation |
---|---|
bin | 10010110100000001… |
… | …011011010101111101 |
3 | 1221010210010112202000 |
4 | 102310001123111331 |
5 | 312332214022310 |
6 | 13140235052513 |
7 | 1313402242605 |
oct | 226401332575 |
9 | 57123115660 |
10 | 20200142205 |
11 | 86264a9901 |
12 | 3ab8ba1139 |
13 | 1b9bcb1889 |
14 | d98b03c05 |
15 | 7d36024c0 |
hex | 4b405b57d |
20200142205 has 16 divisors (see below), whose sum is σ = 35911364160. Its totient is φ = 10773409104.
The previous prime is 20200142197. The next prime is 20200142213. The reversal of 20200142205 is 50224100202.
It is an interprime number because it is at equal distance from previous prime (20200142197) and next prime (20200142213).
It is not a de Polignac number, because 20200142205 - 23 = 20200142197 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74815207 + ... + 74815476.
It is an arithmetic number, because the mean of its divisors is an integer number (2244460260).
Almost surely, 220200142205 is an apocalyptic number.
It is an amenable number.
20200142205 is a deficient number, since it is larger than the sum of its proper divisors (15711221955).
20200142205 is a wasteful number, since it uses less digits than its factorization.
20200142205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 149630697 (or 149630691 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 18.
Adding to 20200142205 its reverse (50224100202), we get a palindrome (70424242407).
The spelling of 20200142205 in words is "twenty billion, two hundred million, one hundred forty-two thousand, two hundred five".
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