Base | Representation |
---|---|
bin | 111100001111001… |
… | …0001010011011000 |
3 | 12012212020122200110 |
4 | 1320132101103120 |
5 | 13114411413422 |
6 | 532321204320 |
7 | 101041632420 |
oct | 17036212330 |
9 | 5185218613 |
10 | 2021201112 |
11 | 947a08347 |
12 | 484a906a0 |
13 | 26298b3b8 |
14 | 152617480 |
15 | bc69e60c |
hex | 787914d8 |
2021201112 has 32 divisors (see below), whose sum is σ = 5774860800. Its totient is φ = 577485984.
The previous prime is 2021201101. The next prime is 2021201123. The reversal of 2021201112 is 2111021202.
It is an interprime number because it is at equal distance from previous prime (2021201101) and next prime (2021201123).
It is a Harshad number since it is a multiple of its sum of digits (12).
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, 6015312 + ... + 6015647.
It is an arithmetic number, because the mean of its divisors is an integer number (180464400).
Almost surely, 22021201112 is an apocalyptic number.
It is an amenable number.
2021201112 is an abundant number, since it is smaller than the sum of its proper divisors (3753659688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2021201112 is a wasteful number, since it uses less digits than its factorization.
2021201112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12030975 (or 12030971 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 12.
The square root of 2021201112 is about 44957.7703183777. The cubic root of 2021201112 is about 1264.3573653724.
Adding to 2021201112 its reverse (2111021202), we get a palindrome (4132222314).
The spelling of 2021201112 in words is "two billion, twenty-one million, two hundred one thousand, one hundred twelve".
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