Base | Representation |
---|---|
bin | 10111101000110101… |
… | …001001110110000100 |
3 | 2102111211222200112110 |
4 | 113220311021312010 |
5 | 403440024201143 |
6 | 15354312421020 |
7 | 1555652442021 |
oct | 275065116604 |
9 | 72454880473 |
10 | 25381084548 |
11 | a844a62536 |
12 | 4b040a7770 |
13 | 2516484231 |
14 | 132ac26548 |
15 | 9d839b533 |
hex | 5e8d49d84 |
25381084548 has 24 divisors (see below), whose sum is σ = 61264687680. Its totient is φ = 8168624800.
The previous prime is 25381084543. The next prime is 25381084559. The reversal of 25381084548 is 84548018352.
It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 25381084497 and 25381084506.
It is not an unprimeable number, because it can be changed into a prime (25381084543) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36466728 + ... + 36467423.
It is an arithmetic number, because the mean of its divisors is an integer number (2552695320).
Almost surely, 225381084548 is an apocalyptic number.
It is an amenable number.
25381084548 is an abundant number, since it is smaller than the sum of its proper divisors (35883603132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25381084548 is a wasteful number, since it uses less digits than its factorization.
25381084548 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72934187 (or 72934185 counting only the distinct ones).
The product of its (nonzero) digits is 1228800, while the sum is 48.
The spelling of 25381084548 in words is "twenty-five billion, three hundred eighty-one million, eighty-four thousand, five hundred forty-eight".
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