Base | Representation |
---|---|
bin | 10111010101001000… |
… | …00011011011110011 |
3 | 1012022220110211220122 |
4 | 23222210003123303 |
5 | 201122431120022 |
6 | 5430511400455 |
7 | 622246622432 |
oct | 135244033363 |
9 | 35286424818 |
10 | 12525254387 |
11 | 53481a8008 |
12 | 251682312b |
13 | 1247c1c839 |
14 | 86b6a9119 |
15 | 4d4926742 |
hex | 2ea9036f3 |
12525254387 has 2 divisors, whose sum is σ = 12525254388. Its totient is φ = 12525254386.
The previous prime is 12525254383. The next prime is 12525254429. The reversal of 12525254387 is 78345252521.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12525254387 - 22 = 12525254383 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is not a weakly prime, because it can be changed into another prime (12525254381) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6262627193 + 6262627194.
It is an arithmetic number, because the mean of its divisors is an integer number (6262627194).
Almost surely, 212525254387 is an apocalyptic number.
12525254387 is a deficient number, since it is larger than the sum of its proper divisors (1).
12525254387 is an equidigital number, since it uses as much as digits as its factorization.
12525254387 is an evil number, because the sum of its binary digits is even.
The product of its digits is 672000, while the sum is 44.
The spelling of 12525254387 in words is "twelve billion, five hundred twenty-five million, two hundred fifty-four thousand, three hundred eighty-seven".
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