Base | Representation |
---|---|
bin | 10111001110110010… |
… | …01100111100110101 |
3 | 1012012012102012210202 |
4 | 23213121030330311 |
5 | 201020323000013 |
6 | 5421331530245 |
7 | 621032625554 |
oct | 134731147465 |
9 | 35165365722 |
10 | 12472078133 |
11 | 5320187999 |
12 | 2500a59985 |
13 | 1239bc17b8 |
14 | 8645c5d9b |
15 | 4cee20858 |
hex | 2e764cf35 |
12472078133 has 2 divisors, whose sum is σ = 12472078134. Its totient is φ = 12472078132.
The previous prime is 12472078127. The next prime is 12472078247. The reversal of 12472078133 is 33187027421.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 11668752484 + 803325649 = 108022^2 + 28343^2 .
It is a cyclic number.
It is not a de Polignac number, because 12472078133 - 212 = 12472074037 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12472078433) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6236039066 + 6236039067.
It is an arithmetic number, because the mean of its divisors is an integer number (6236039067).
Almost surely, 212472078133 is an apocalyptic number.
It is an amenable number.
12472078133 is a deficient number, since it is larger than the sum of its proper divisors (1).
12472078133 is an equidigital number, since it uses as much as digits as its factorization.
12472078133 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 56448, while the sum is 38.
The spelling of 12472078133 in words is "twelve billion, four hundred seventy-two million, seventy-eight thousand, one hundred thirty-three".
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