Base | Representation |
---|---|
bin | 11101011010001101000… |
… | …011000010001110010000 |
3 | 21011012120000221210200111 |
4 | 131122031003002032100 |
5 | 231103002224341422 |
6 | 4144233545331104 |
7 | 266004201106435 |
oct | 35321503021620 |
9 | 7135500853614 |
10 | 2021001012112 |
11 | 70a113425045 |
12 | 287825196a94 |
13 | 11876c441a64 |
14 | 6db61aa7b8c |
15 | 37886a79a77 |
hex | 1d68d0c2390 |
2021001012112 has 40 divisors (see below), whose sum is σ = 4031351953400. Its totient is φ = 980785677312.
The previous prime is 2021001012097. The next prime is 2021001012167. The reversal of 2021001012112 is 2112101001202.
It can be written as a sum of positive squares in 4 ways, for example, as 553036144896 + 1467964867216 = 743664^2 + 1211596^2 .
It is a junction number, because it is equal to n+sod(n) for n = 2021001012092 and 2021001012101.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3931287 + ... + 4415542.
It is an arithmetic number, because the mean of its divisors is an integer number (100783798835).
Almost surely, 22021001012112 is an apocalyptic number.
It is an amenable number.
2021001012112 is a deficient number, since it is larger than the sum of its proper divisors (2010350941288).
2021001012112 is a wasteful number, since it uses less digits than its factorization.
2021001012112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8347283 (or 8347277 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 2021001012112 its reverse (2112101001202), we get a palindrome (4133102013314).
The spelling of 2021001012112 in words is "two trillion, twenty-one billion, one million, twelve thousand, one hundred twelve".
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