Base | Representation |
---|---|
bin | 11101011010010011100… |
… | …011100011111101011001 |
3 | 21011012211122102020022212 |
4 | 131122103203203331121 |
5 | 231103213202432301 |
6 | 4144252445524505 |
7 | 266006665156046 |
oct | 35322343437531 |
9 | 7135748366285 |
10 | 2021110202201 |
11 | 70a16a023192 |
12 | 287855873735 |
13 | 118788c5258c |
14 | 6db723ac1cd |
15 | 378914474bb |
hex | 1d6938e3f59 |
2021110202201 has 8 divisors (see below), whose sum is σ = 2041180900104. Its totient is φ = 2001040675200.
The previous prime is 2021110202179. The next prime is 2021110202219. The reversal of 2021110202201 is 1022020111202.
It can be written as a sum of positive squares in 4 ways, for example, as 1119256086601 + 901854115600 = 1057949^2 + 949660^2 .
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 2021110202201 - 234 = 2003930333017 is a prime.
It is a super-3 number, since 3×20211102022013 (a number of 38 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2021110202261) 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, 3407711 + ... + 3956603.
It is an arithmetic number, because the mean of its divisors is an integer number (255147612513).
Almost surely, 22021110202201 is an apocalyptic number.
It is an amenable number.
2021110202201 is a deficient number, since it is larger than the sum of its proper divisors (20070697903).
2021110202201 is a wasteful number, since it uses less digits than its factorization.
2021110202201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 585451.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 2021110202201 its reverse (1022020111202), we get a palindrome (3043130313403).
Subtracting from 2021110202201 its reverse (1022020111202), we obtain a palindrome (999090090999).
The spelling of 2021110202201 in words is "two trillion, twenty-one billion, one hundred ten million, two hundred two thousand, two hundred one".
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