Base | Representation |
---|---|
bin | 100000010011110100010… |
… | …000001111000000101111 |
3 | 21212020222121002021012201 |
4 | 200103310100033000233 |
5 | 242334134030134411 |
6 | 4415554152242331 |
7 | 316261062200626 |
oct | 40236420170057 |
9 | 7766877067181 |
10 | 2220301021231 |
11 | 786696052787 |
12 | 2ba3863a03a7 |
13 | 1314b1725a37 |
14 | 7966ac146bd |
15 | 3cb4d82e3c1 |
hex | 204f440f02f |
2220301021231 has 2 divisors, whose sum is σ = 2220301021232. Its totient is φ = 2220301021230.
The previous prime is 2220301021229. The next prime is 2220301021243. The reversal of 2220301021231 is 1321201030222.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2220301021231 - 21 = 2220301021229 is a prime.
It is a super-2 number, since 2×22203010212312 (a number of 25 digits) contains 22 as substring.
Together with 2220301021229, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 2220301021199 and 2220301021208.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2220301021201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110150510615 + 1110150510616.
It is an arithmetic number, because the mean of its divisors is an integer number (1110150510616).
Almost surely, 22220301021231 is an apocalyptic number.
2220301021231 is a deficient number, since it is larger than the sum of its proper divisors (1).
2220301021231 is an equidigital number, since it uses as much as digits as its factorization.
2220301021231 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 2220301021231 its reverse (1321201030222), we get a palindrome (3541502051453).
The spelling of 2220301021231 in words is "two trillion, two hundred twenty billion, three hundred one million, twenty-one thousand, two hundred thirty-one".
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