Base | Representation |
---|---|
bin | 111011111100010… |
… | …0111100111101100 |
3 | 12012011200012111200 |
4 | 1313320213213230 |
5 | 13104400043202 |
6 | 531325445500 |
7 | 100562013633 |
oct | 16770474754 |
9 | 5164605450 |
10 | 2011331052 |
11 | 942386875 |
12 | 481710890 |
13 | 260913a23 |
14 | 1511a851a |
15 | bb89ee1c |
hex | 77e279ec |
2011331052 has 36 divisors (see below), whose sum is σ = 5105316216. Its totient is φ = 667658880.
The previous prime is 2011331027. The next prime is 2011331053. The reversal of 2011331052 is 2501331102.
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-3 number, since 3×20113310523 (a number of 29 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (2011331053) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107238 + ... + 124589.
Almost surely, 22011331052 is an apocalyptic number.
It is an amenable number.
2011331052 is an abundant number, since it is smaller than the sum of its proper divisors (3093985164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2011331052 is a wasteful number, since it uses less digits than its factorization.
2011331052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 232078 (or 232073 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
The square root of 2011331052 is about 44847.8656348326. The cubic root of 2011331052 is about 1262.2959423427.
Adding to 2011331052 its reverse (2501331102), we get a palindrome (4512662154).
The spelling of 2011331052 in words is "two billion, eleven million, three hundred thirty-one thousand, fifty-two".
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