Base | Representation |
---|---|
bin | 11101011010010011100… |
… | …110100110110010010100 |
3 | 21011012211200220202222211 |
4 | 131122103212212302110 |
5 | 231103213404001322 |
6 | 4144252515003204 |
7 | 266010005021443 |
oct | 35322346466224 |
9 | 7135750822884 |
10 | 2021111000212 |
11 | 70a16a5187a7 |
12 | 287855b99504 |
13 | 118789171885 |
14 | 6db72538d5a |
15 | 37891553b77 |
hex | 1d6939a6c94 |
2021111000212 has 48 divisors (see below), whose sum is σ = 3579876731200. Its totient is φ = 998365305600.
The previous prime is 2021111000179. The next prime is 2021111000231. The reversal of 2021111000212 is 2120001111202.
It is a junction number, because it is equal to n+sod(n) for n = 2021111000192 and 2021111000201.
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, 345427087 + ... + 345432937.
Almost surely, 22021111000212 is an apocalyptic number.
It is an amenable number.
2021111000212 is a deficient number, since it is larger than the sum of its proper divisors (1558765730988).
2021111000212 is a wasteful number, since it uses less digits than its factorization.
2021111000212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8936 (or 8934 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 2021111000212 its reverse (2120001111202), we get a palindrome (4141112111414).
The spelling of 2021111000212 in words is "two trillion, twenty-one billion, one hundred eleven million, two hundred twelve", and thus it is an aban number.
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