Base | Representation |
---|---|
bin | 11101000111100100111… |
… | …101001000001010100000 |
3 | 21002021221012110001011010 |
4 | 131013210331020022200 |
5 | 230241022230201422 |
6 | 4131125220220520 |
7 | 264365446023621 |
oct | 35074475101240 |
9 | 7067835401133 |
10 | 2001001022112 |
11 | 70168aa02594 |
12 | 28398323a740 |
13 | 116902a6b851 |
14 | 6cbc57c5a48 |
15 | 370b5d11b0c |
hex | 1d1e4f482a0 |
2001001022112 has 48 divisors (see below), whose sum is σ = 5252700579840. Its totient is φ = 666991084032.
The previous prime is 2001001022071. The next prime is 2001001022131. The reversal of 2001001022112 is 2112201001002.
It is a tau number, because it is divible by the number of its divisors (48).
It is a Harshad number since it is a multiple of its sum of digits (12).
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, 12972513 + ... + 13125855.
It is an arithmetic number, because the mean of its divisors is an integer number (109431262080).
Almost surely, 22001001022112 is an apocalyptic number.
It is an amenable number.
2001001022112 is an abundant number, since it is smaller than the sum of its proper divisors (3251699557728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2001001022112 is a wasteful number, since it uses less digits than its factorization.
2001001022112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 289285 (or 289277 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 2001001022112 its reverse (2112201001002), we get a palindrome (4113202023114).
The spelling of 2001001022112 in words is "two trillion, one billion, one million, twenty-two thousand, one hundred twelve".
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