Base | Representation |
---|---|
bin | 11101011010001101000… |
… | …011110010110011101000 |
3 | 21011012120001022220122212 |
4 | 131122031003302303220 |
5 | 231103002302223422 |
6 | 4144233553504252 |
7 | 266004202565552 |
oct | 35321503626350 |
9 | 7135501286585 |
10 | 2021001211112 |
11 | 70a113550604 |
12 | 287825272088 |
13 | 11876c4b1500 |
14 | 6db61b1a4d2 |
15 | 37886ab89e2 |
hex | 1d68d0f2ce8 |
2021001211112 has 48 divisors (see below), whose sum is σ = 4122737635680. Its totient is φ = 928348948800.
The previous prime is 2021001211039. The next prime is 2021001211121. The reversal of 2021001211112 is 2111121001202.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3256964 + ... + 3827507.
It is an arithmetic number, because the mean of its divisors is an integer number (85890367410).
Almost surely, 22021001211112 is an apocalyptic number.
It is an amenable number.
2021001211112 is an abundant number, since it is smaller than the sum of its proper divisors (2101736424568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2021001211112 is a wasteful number, since it uses less digits than its factorization.
2021001211112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7084714 (or 7084697 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 2021001211112 its reverse (2111121001202), we get a palindrome (4132122212314).
The spelling of 2021001211112 in words is "two trillion, twenty-one billion, one million, two hundred eleven thousand, one hundred twelve".
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