Base | Representation |
---|---|
bin | 10111011011110101… |
… | …001110100011001010 |
3 | 2101221122121211210100 |
4 | 113123311032203022 |
5 | 403013212000020 |
6 | 15320522230230 |
7 | 1550363654031 |
oct | 273365164312 |
9 | 71848554710 |
10 | 25163000010 |
11 | a742948385 |
12 | 4a63055376 |
13 | 24b0237625 |
14 | 1309c97718 |
15 | 9c416da90 |
hex | 5dbd4e8ca |
25163000010 has 24 divisors (see below), whose sum is σ = 65423800260. Its totient is φ = 6710133312.
The previous prime is 25162999957. The next prime is 25163000011. The reversal of 25163000010 is 1000036152.
25163000010 is a `hidden beast` number, since 25 + 1 + 630 + 0 + 0 + 0 + 10 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 24795856089 + 367143921 = 157467^2 + 19161^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (25163000011) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139794355 + ... + 139794534.
Almost surely, 225163000010 is an apocalyptic number.
25163000010 is an abundant number, since it is smaller than the sum of its proper divisors (40260800250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25163000010 is a wasteful number, since it uses less digits than its factorization.
25163000010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 279588902 (or 279588899 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
Adding to 25163000010 its reverse (1000036152), we get a palindrome (26163036162).
The spelling of 25163000010 in words is "twenty-five billion, one hundred sixty-three million, ten", and thus it is an aban number.
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