Base | Representation |
---|---|
bin | 1000010100001100… |
… | …1011001100100101 |
3 | 12202120021121111221 |
4 | 2011003023030211 |
5 | 14032420431041 |
6 | 1005255500341 |
7 | 106213255420 |
oct | 20503131445 |
9 | 5676247457 |
10 | 2232202021 |
11 | a46024465 |
12 | 5236876b1 |
13 | 2975c79ca |
14 | 1726609b7 |
15 | d0e7d2d1 |
hex | 850cb325 |
2232202021 has 4 divisors (see below), whose sum is σ = 2551088032. Its totient is φ = 1913316012.
The previous prime is 2232202001. The next prime is 2232202031. The reversal of 2232202021 is 1202022322.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1202022322 = 2 ⋅601011161.
It is a cyclic number.
It is not a de Polignac number, because 2232202021 - 27 = 2232201893 is a prime.
It is a super-3 number, since 3×22322020213 (a number of 29 digits) contains 333 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2232201986 and 2232202004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2232202001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159442995 + ... + 159443008.
It is an arithmetic number, because the mean of its divisors is an integer number (637772008).
Almost surely, 22232202021 is an apocalyptic number.
It is an amenable number.
2232202021 is a deficient number, since it is larger than the sum of its proper divisors (318886011).
2232202021 is an equidigital number, since it uses as much as digits as its factorization.
2232202021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 318886010.
The product of its (nonzero) digits is 192, while the sum is 16.
The square root of 2232202021 is about 47246.1852534149. The cubic root of 2232202021 is about 1306.9064429289.
Adding to 2232202021 its reverse (1202022322), we get a palindrome (3434224343).
The spelling of 2232202021 in words is "two billion, two hundred thirty-two million, two hundred two thousand, twenty-one".
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