Base | Representation |
---|---|
bin | 100001011100110… |
… | …1111000110101111 |
3 | 2220020001102102121 |
4 | 1002321233012233 |
5 | 4244320301112 |
6 | 303213333411 |
7 | 36546336526 |
oct | 10271570657 |
9 | 2806042377 |
10 | 1122431407 |
11 | 526646369 |
12 | 273a97267 |
13 | 14b7059c6 |
14 | a90db4bd |
15 | 68817407 |
hex | 42e6f1af |
1122431407 has 2 divisors, whose sum is σ = 1122431408. Its totient is φ = 1122431406.
The previous prime is 1122431389. The next prime is 1122431417. The reversal of 1122431407 is 7041342211.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1122431407 - 219 = 1121907119 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1122431417) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561215703 + 561215704.
It is an arithmetic number, because the mean of its divisors is an integer number (561215704).
Almost surely, 21122431407 is an apocalyptic number.
1122431407 is a deficient number, since it is larger than the sum of its proper divisors (1).
1122431407 is an equidigital number, since it uses as much as digits as its factorization.
1122431407 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1344, while the sum is 25.
The square root of 1122431407 is about 33502.7074577563. The cubic root of 1122431407 is about 1039.2497692746.
Adding to 1122431407 its reverse (7041342211), we get a palindrome (8163773618).
The spelling of 1122431407 in words is "one billion, one hundred twenty-two million, four hundred thirty-one thousand, four hundred seven".
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