Base | Representation |
---|---|
bin | 10110110010010100… |
… | …00100110001010111 |
3 | 1011120112222112202012 |
4 | 23121022010301113 |
5 | 200023201401242 |
6 | 5341520334435 |
7 | 612102515543 |
oct | 133112046127 |
9 | 34515875665 |
10 | 12233231447 |
11 | 5208381938 |
12 | 2454a7441b |
13 | 11cc5858b8 |
14 | 8409b0a23 |
15 | 4b8e91282 |
hex | 2d9284c57 |
12233231447 has 2 divisors, whose sum is σ = 12233231448. Its totient is φ = 12233231446.
The previous prime is 12233231431. The next prime is 12233231477. The reversal of 12233231447 is 74413233221.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12233231447 - 24 = 12233231431 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12233231407) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6116615723 + 6116615724.
It is an arithmetic number, because the mean of its divisors is an integer number (6116615724).
Almost surely, 212233231447 is an apocalyptic number.
12233231447 is a deficient number, since it is larger than the sum of its proper divisors (1).
12233231447 is an equidigital number, since it uses as much as digits as its factorization.
12233231447 is an evil number, because the sum of its binary digits is even.
The product of its digits is 24192, while the sum is 32.
Adding to 12233231447 its reverse (74413233221), we get a palindrome (86646464668).
The spelling of 12233231447 in words is "twelve billion, two hundred thirty-three million, two hundred thirty-one thousand, four hundred forty-seven".
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