Base | Representation |
---|---|
bin | 10001110011001000001… |
… | …111110100011110001111 |
3 | 11022221010001110012210022 |
4 | 101303020033310132033 |
5 | 130014432324133401 |
6 | 2333522011132355 |
7 | 154240211012606 |
oct | 21631017643617 |
9 | 4287101405708 |
10 | 1223130302351 |
11 | 4317aa194651 |
12 | 179073a440bb |
13 | 8b45766a149 |
14 | 432b2454a3d |
15 | 21c3a68871b |
hex | 11cc83f478f |
1223130302351 has 2 divisors, whose sum is σ = 1223130302352. Its totient is φ = 1223130302350.
The previous prime is 1223130302309. The next prime is 1223130302357. The reversal of 1223130302351 is 1532030313221.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1223130302351 is a prime.
It is a super-2 number, since 2×12231303023512 (a number of 25 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1223130302351.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1223130302357) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611565151175 + 611565151176.
It is an arithmetic number, because the mean of its divisors is an integer number (611565151176).
Almost surely, 21223130302351 is an apocalyptic number.
1223130302351 is a deficient number, since it is larger than the sum of its proper divisors (1).
1223130302351 is an equidigital number, since it uses as much as digits as its factorization.
1223130302351 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3240, while the sum is 26.
Adding to 1223130302351 its reverse (1532030313221), we get a palindrome (2755160615572).
The spelling of 1223130302351 in words is "one trillion, two hundred twenty-three billion, one hundred thirty million, three hundred two thousand, three hundred fifty-one".
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