Base | Representation |
---|---|
bin | 10010110100000101… |
… | …011101101001010010 |
3 | 1221010212010022001101 |
4 | 102310011131221102 |
5 | 312333001401320 |
6 | 13140313455014 |
7 | 1313414240302 |
oct | 226405355122 |
9 | 57125108041 |
10 | 20201200210 |
11 | 8627061794 |
12 | 3ab941146a |
13 | 1b9c292309 |
14 | d98cdb602 |
15 | 7d3760c0a |
hex | 4b415da52 |
20201200210 has 32 divisors (see below), whose sum is σ = 36894988080. Its totient is φ = 7962283008.
The previous prime is 20201200207. The next prime is 20201200223. The reversal of 20201200210 is 1200210202.
It can be written as a sum of positive squares in 8 ways, for example, as 5276424321 + 14924775889 = 72639^2 + 122167^2 .
It is a Harshad number since it is a multiple of its sum of digits (10).
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, 797094 + ... + 822046.
Almost surely, 220201200210 is an apocalyptic number.
20201200210 is a deficient number, since it is larger than the sum of its proper divisors (16693787870).
20201200210 is a wasteful number, since it uses less digits than its factorization.
20201200210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26142.
The product of its (nonzero) digits is 16, while the sum is 10.
Adding to 20201200210 its reverse (1200210202), we get a palindrome (21401410412).
The spelling of 20201200210 in words is "twenty billion, two hundred one million, two hundred thousand, two hundred ten".
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