Base | Representation |
---|---|
bin | 1011111111111111… |
… | …1100101110001001 |
3 | 22022111021112012200 |
4 | 2333333330232021 |
5 | 23044112241131 |
6 | 1251345430413 |
7 | 142552564515 |
oct | 27777745611 |
9 | 8274245180 |
10 | 3221212041 |
11 | 1403321313 |
12 | 75a93b409 |
13 | 3c4487838 |
14 | 227b4b145 |
15 | 13cbdd2e6 |
hex | bfffcb89 |
3221212041 has 12 divisors (see below), whose sum is σ = 4657839732. Its totient is φ = 2145177216.
The previous prime is 3221212039. The next prime is 3221212051. The reversal of 3221212041 is 1402121223.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 1297512441 + 1923699600 = 36021^2 + 43860^2 .
It is not a de Polignac number, because 3221212041 - 21 = 3221212039 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (3221212051) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182556 + ... + 199421.
It is an arithmetic number, because the mean of its divisors is an integer number (388153311).
Almost surely, 23221212041 is an apocalyptic number.
It is an amenable number.
3221212041 is a deficient number, since it is larger than the sum of its proper divisors (1436627691).
3221212041 is a wasteful number, since it uses less digits than its factorization.
3221212041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 382920 (or 382917 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 3221212041 is about 56755.7225396700. The cubic root of 3221212041 is about 1476.8615073824.
Adding to 3221212041 its reverse (1402121223), we get a palindrome (4623333264).
It can be divided in two parts, 32212 and 12041, that added together give a triangular number (44253 = T297).
The spelling of 3221212041 in words is "three billion, two hundred twenty-one million, two hundred twelve thousand, forty-one".
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