Base | Representation |
---|---|
bin | 10111011110111100… |
… | …000110001001100011 |
3 | 2102002021201102210101 |
4 | 113132330012021203 |
5 | 403120033213014 |
6 | 15330023443231 |
7 | 1551566042062 |
oct | 273674061143 |
9 | 72067642711 |
10 | 25215132259 |
11 | a76a315089 |
12 | 4a785b6517 |
13 | 24bac8b405 |
14 | 1312b881d9 |
15 | 9c8a1a474 |
hex | 5def06263 |
25215132259 has 2 divisors, whose sum is σ = 25215132260. Its totient is φ = 25215132258.
The previous prime is 25215132211. The next prime is 25215132317. The reversal of 25215132259 is 95223151252.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 25215132259 - 217 = 25215001187 is a prime.
It is not a weakly prime, because it can be changed into another prime (25215132359) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12607566129 + 12607566130.
It is an arithmetic number, because the mean of its divisors is an integer number (12607566130).
Almost surely, 225215132259 is an apocalyptic number.
25215132259 is a deficient number, since it is larger than the sum of its proper divisors (1).
25215132259 is an equidigital number, since it uses as much as digits as its factorization.
25215132259 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 54000, while the sum is 37.
The spelling of 25215132259 in words is "twenty-five billion, two hundred fifteen million, one hundred thirty-two thousand, two hundred fifty-nine".
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