Base | Representation |
---|---|
bin | 10010110111001000… |
… | …111101111001101100 |
3 | 1221021102120002010000 |
4 | 102313020331321230 |
5 | 312434111403122 |
6 | 13145344144300 |
7 | 1314605662635 |
oct | 226710757154 |
9 | 57242502100 |
10 | 20252450412 |
11 | 8652a86827 |
12 | 3b12608090 |
13 | 1ba9a9778c |
14 | da1a3c88c |
15 | 7d7ed60ac |
hex | 4b723de6c |
20252450412 has 60 divisors (see below), whose sum is σ = 54651800896. Its totient is φ = 6533045280.
The previous prime is 20252450401. The next prime is 20252450419. The reversal of 20252450412 is 21405425202.
20252450412 is a `hidden beast` number, since 2 + 0 + 2 + 5 + 245 + 0 + 412 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (20252450419) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 998143 + ... + 1018230.
Almost surely, 220252450412 is an apocalyptic number.
It is an amenable number.
20252450412 is an abundant number, since it is smaller than the sum of its proper divisors (34399350484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20252450412 is a wasteful number, since it uses less digits than its factorization.
20252450412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2016420 (or 2016409 counting only the distinct ones).
The product of its (nonzero) digits is 6400, while the sum is 27.
Adding to 20252450412 its reverse (21405425202), we get a palindrome (41657875614).
The spelling of 20252450412 in words is "twenty billion, two hundred fifty-two million, four hundred fifty thousand, four hundred twelve".
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