Base | Representation |
---|---|
bin | 10110100110000000… |
… | …11001010111000111 |
3 | 1011022100210102102011 |
4 | 23103000121113013 |
5 | 144320241443142 |
6 | 5323352355051 |
7 | 606410364001 |
oct | 132300312707 |
9 | 34270712364 |
10 | 12130031047 |
11 | 51650a4952 |
12 | 24263a5a87 |
13 | 11b4091484 |
14 | 830dc9371 |
15 | 4aeda8417 |
hex | 2d30195c7 |
12130031047 has 2 divisors, whose sum is σ = 12130031048. Its totient is φ = 12130031046.
The previous prime is 12130031021. The next prime is 12130031051. The reversal of 12130031047 is 74013003121.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12130031047 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12130031647) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6065015523 + 6065015524.
It is an arithmetic number, because the mean of its divisors is an integer number (6065015524).
Almost surely, 212130031047 is an apocalyptic number.
12130031047 is a deficient number, since it is larger than the sum of its proper divisors (1).
12130031047 is an equidigital number, since it uses as much as digits as its factorization.
12130031047 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 504, while the sum is 22.
Adding to 12130031047 its reverse (74013003121), we get a palindrome (86143034168).
The spelling of 12130031047 in words is "twelve billion, one hundred thirty million, thirty-one thousand, forty-seven".
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