Base | Representation |
---|---|
bin | 1000010100000000… |
… | …1010011000011011 |
3 | 12202111210111011012 |
4 | 2011000022120123 |
5 | 14032220143001 |
6 | 1005230524135 |
7 | 106203456035 |
oct | 20500123033 |
9 | 5674714135 |
10 | 2231412251 |
11 | a45635062 |
12 | 52336664b |
13 | 2973ac3a3 |
14 | 1724d6c55 |
15 | d0d742bb |
hex | 8500a61b |
2231412251 has 2 divisors, whose sum is σ = 2231412252. Its totient is φ = 2231412250.
The previous prime is 2231412223. The next prime is 2231412283. The reversal of 2231412251 is 1522141322.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2231412251 - 26 = 2231412187 is a prime.
It is a super-3 number, since 3×22314122513 (a number of 29 digits) contains 333 as substring.
It is not a weakly prime, because it can be changed into another prime (2231412151) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115706125 + 1115706126.
It is an arithmetic number, because the mean of its divisors is an integer number (1115706126).
Almost surely, 22231412251 is an apocalyptic number.
2231412251 is a deficient number, since it is larger than the sum of its proper divisors (1).
2231412251 is an equidigital number, since it uses as much as digits as its factorization.
2231412251 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 960, while the sum is 23.
The square root of 2231412251 is about 47237.8264847146. The cubic root of 2231412251 is about 1306.7522936115.
Adding to 2231412251 its reverse (1522141322), we get a palindrome (3753553573).
The spelling of 2231412251 in words is "two billion, two hundred thirty-one million, four hundred twelve thousand, two hundred fifty-one".
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