Base | Representation |
---|---|
bin | 10111101110101110… |
… | …101011000000101111 |
3 | 2102202202012120210221 |
4 | 113232232223000233 |
5 | 404140343024222 |
6 | 15412205512211 |
7 | 1561263561142 |
oct | 275656530057 |
9 | 72682176727 |
10 | 25480048687 |
11 | a895906785 |
12 | 4b31272667 |
13 | 2530b243b2 |
14 | 133a028059 |
15 | 9e1de90c7 |
hex | 5eebab02f |
25480048687 has 8 divisors (see below), whose sum is σ = 25570902240. Its totient is φ = 25389252960.
The previous prime is 25480048679. The next prime is 25480048729. The reversal of 25480048687 is 78684008452.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 25480048687 - 23 = 25480048679 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25480048637) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 991533 + ... + 1016905.
It is an arithmetic number, because the mean of its divisors is an integer number (3196362780).
Almost surely, 225480048687 is an apocalyptic number.
25480048687 is a deficient number, since it is larger than the sum of its proper divisors (90853553).
25480048687 is a wasteful number, since it uses less digits than its factorization.
25480048687 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28913.
The product of its (nonzero) digits is 3440640, while the sum is 52.
The spelling of 25480048687 in words is "twenty-five billion, four hundred eighty million, forty-eight thousand, six hundred eighty-seven".
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