Base | Representation |
---|---|
bin | 10100101101000001… |
… | …001100001110100111 |
3 | 2010101020220021110212 |
4 | 110231001030032213 |
5 | 331011402422211 |
6 | 14113512410035 |
7 | 1414611634325 |
oct | 245501141647 |
9 | 63336807425 |
10 | 22230123431 |
11 | 947836383a |
12 | 43849a691b |
13 | 21337254b9 |
14 | 110c564d15 |
15 | 8a193838b |
hex | 52d04c3a7 |
22230123431 has 2 divisors, whose sum is σ = 22230123432. Its totient is φ = 22230123430.
The previous prime is 22230123407. The next prime is 22230123463. The reversal of 22230123431 is 13432103222.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 22230123431 - 218 = 22229861287 is a prime.
It is a super-2 number, since 2×222301234312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 22230123397 and 22230123406.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (22230123401) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11115061715 + 11115061716.
It is an arithmetic number, because the mean of its divisors is an integer number (11115061716).
Almost surely, 222230123431 is an apocalyptic number.
22230123431 is a deficient number, since it is larger than the sum of its proper divisors (1).
22230123431 is an equidigital number, since it uses as much as digits as its factorization.
22230123431 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 22230123431 its reverse (13432103222), we get a palindrome (35662226653).
The spelling of 22230123431 in words is "twenty-two billion, two hundred thirty million, one hundred twenty-three thousand, four hundred thirty-one".
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