Base | Representation |
---|---|
bin | 11101011010010011100… |
… | …111010111110101011000 |
3 | 21011012211201021222120120 |
4 | 131122103213113311120 |
5 | 231103213431413422 |
6 | 4144252523153240 |
7 | 266010006516243 |
oct | 35322347276530 |
9 | 7135751258516 |
10 | 2021111201112 |
11 | 70a16a645733 |
12 | 287856075820 |
13 | 118789212153 |
14 | 6db7258c25a |
15 | 3789159345c |
hex | 1d6939d7d58 |
2021111201112 has 32 divisors (see below), whose sum is σ = 5070759436080. Its totient is φ = 671306209280.
The previous prime is 2021111201069. The next prime is 2021111201303. The reversal of 2021111201112 is 2111021111202.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 2021111201091 and 2021111201100.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149838393 + ... + 149851880.
Almost surely, 22021111201112 is an apocalyptic number.
It is an amenable number.
2021111201112 is an abundant number, since it is smaller than the sum of its proper divisors (3049648234968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2021111201112 is a wasteful number, since it uses less digits than its factorization.
2021111201112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 299690563 (or 299690559 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 15.
Adding to 2021111201112 its reverse (2111021111202), we get a palindrome (4132132312314).
The spelling of 2021111201112 in words is "two trillion, twenty-one billion, one hundred eleven million, two hundred one thousand, one hundred twelve".
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