Base | Representation |
---|---|
bin | 100101000101110001011… |
… | …101000011100000000001 |
3 | 100000122221120201011212010 |
4 | 211011301131003200001 |
5 | 313224440134022244 |
6 | 5230524501523133 |
7 | 352101053305632 |
oct | 45056135034001 |
9 | 10018846634763 |
10 | 2548819048449 |
11 | 8a2a479a5a13 |
12 | 351b8a4134a9 |
13 | 15647789995b |
14 | 8b513631889 |
15 | 4647997deb9 |
hex | 25171743801 |
2548819048449 has 16 divisors (see below), whose sum is σ = 3582130668800. Its totient is φ = 1607602102416.
The previous prime is 2548819048417. The next prime is 2548819048469. The reversal of 2548819048449 is 9448409188452.
It is not a de Polignac number, because 2548819048449 - 25 = 2548819048417 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2548819048449.
It is not an unprimeable number, because it can be changed into a prime (2548819048469) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30212359 + ... + 30296604.
It is an arithmetic number, because the mean of its divisors is an integer number (223883166800).
Almost surely, 22548819048449 is an apocalyptic number.
It is an amenable number.
2548819048449 is a deficient number, since it is larger than the sum of its proper divisors (1033311620351).
2548819048449 is a wasteful number, since it uses less digits than its factorization.
2548819048449 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60509724.
The product of its (nonzero) digits is 106168320, while the sum is 66.
The spelling of 2548819048449 in words is "two trillion, five hundred forty-eight billion, eight hundred nineteen million, forty-eight thousand, four hundred forty-nine".
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