Base | Representation |
---|---|
bin | 10111010011111001… |
… | …111000001001000011 |
3 | 2101121101100210202012 |
4 | 113103321320021003 |
5 | 402230140014334 |
6 | 15255411443135 |
7 | 1544160333326 |
oct | 272371701103 |
9 | 71541323665 |
10 | 25030001219 |
11 | a684868423 |
12 | 4a265b64ab |
13 | 248b80bc12 |
14 | 12d63567bd |
15 | 9b764b9ce |
hex | 5d3e78243 |
25030001219 has 2 divisors, whose sum is σ = 25030001220. Its totient is φ = 25030001218.
The previous prime is 25030001179. The next prime is 25030001341. The reversal of 25030001219 is 91210003052.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 25030001219 - 232 = 20735033923 is a prime.
It is a super-2 number, since 2×250300012192 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 25030001194 and 25030001203.
It is not a weakly prime, because it can be changed into another prime (25030061219) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12515000609 + 12515000610.
It is an arithmetic number, because the mean of its divisors is an integer number (12515000610).
Almost surely, 225030001219 is an apocalyptic number.
25030001219 is a deficient number, since it is larger than the sum of its proper divisors (1).
25030001219 is an equidigital number, since it uses as much as digits as its factorization.
25030001219 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 540, while the sum is 23.
The spelling of 25030001219 in words is "twenty-five billion, thirty million, one thousand, two hundred nineteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.086 sec. • engine limits •