Base | Representation |
---|---|
bin | 10111010110010100… |
… | …001011011101110100 |
3 | 2101201012110211210111 |
4 | 113112110023131310 |
5 | 402321013404143 |
6 | 15303414432404 |
7 | 1545161212363 |
oct | 272624133564 |
9 | 71635424714 |
10 | 25070450548 |
11 | a6a5685620 |
12 | 4a38062704 |
13 | 2497002130 |
14 | 12db8857da |
15 | 9bae8b99d |
hex | 5d650b774 |
25070450548 has 48 divisors (see below), whose sum is σ = 51584016960. Its totient is φ = 10510790400.
The previous prime is 25070450533. The next prime is 25070450549. The reversal of 25070450548 is 84505407052.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 25070450548.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25070450549) 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 in 15 ways as a sum of consecutive naturals, for example, 739023 + ... + 772201.
It is an arithmetic number, because the mean of its divisors is an integer number (1074667020).
Almost surely, 225070450548 is an apocalyptic number.
It is an amenable number.
25070450548 is an abundant number, since it is smaller than the sum of its proper divisors (26513566412).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25070450548 is a wasteful number, since it uses less digits than its factorization.
25070450548 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34528 (or 34526 counting only the distinct ones).
The product of its (nonzero) digits is 224000, while the sum is 40.
The spelling of 25070450548 in words is "twenty-five billion, seventy million, four hundred fifty thousand, five hundred forty-eight".
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