Base | Representation |
---|---|
bin | 11101011010011010010… |
… | …010010110100010100110 |
3 | 21011020010111220121221011 |
4 | 131122122102112202212 |
5 | 231103431110200202 |
6 | 4144312002212434 |
7 | 266012536100314 |
oct | 35323222264246 |
9 | 7136114817834 |
10 | 2021223131302 |
11 | 70a217845521 |
12 | 28788765411a |
13 | 1187a6471c2b |
14 | 6db833a70b4 |
15 | 3789b302bd7 |
hex | 1d69a4968a6 |
2021223131302 has 16 divisors (see below), whose sum is σ = 3041507730960. Its totient is φ = 1007387449888.
The previous prime is 2021223131251. The next prime is 2021223131309. The reversal of 2021223131302 is 2031313221202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2021223131309) 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, 30893208 + ... + 30958564.
It is an arithmetic number, because the mean of its divisors is an integer number (190094233185).
Almost surely, 22021223131302 is an apocalyptic number.
2021223131302 is a deficient number, since it is larger than the sum of its proper divisors (1020284599658).
2021223131302 is a wasteful number, since it uses less digits than its factorization.
2021223131302 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 114455.
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 2021223131302 its reverse (2031313221202), we get a palindrome (4052536352504).
The spelling of 2021223131302 in words is "two trillion, twenty-one billion, two hundred twenty-three million, one hundred thirty-one thousand, three hundred two".
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