Base | Representation |
---|---|
bin | 110000110101… |
… | …000000011000 |
3 | 220002022022222 |
4 | 300311000120 |
5 | 11234100044 |
6 | 1134203212 |
7 | 213540566 |
oct | 60650030 |
9 | 26068288 |
10 | 12800024 |
11 | 7252936 |
12 | 4353508 |
13 | 28621a3 |
14 | 19b2a36 |
15 | 11cc8ee |
hex | c35018 |
12800024 has 16 divisors (see below), whose sum is σ = 24774720. Its totient is φ = 6193440.
The previous prime is 12800017. The next prime is 12800041. The reversal of 12800024 is 42000821.
It is a super-2 number, since 2×128000242 = 327681228801152, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12799975 and 12800011.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25559 + ... + 26054.
It is an arithmetic number, because the mean of its divisors is an integer number (1548420).
Almost surely, 212800024 is an apocalyptic number.
It is an amenable number.
12800024 is a deficient number, since it is larger than the sum of its proper divisors (11974696).
12800024 is a wasteful number, since it uses less digits than its factorization.
12800024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51650 (or 51646 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 17.
The square root of 12800024 is about 3577.7121181001. The cubic root of 12800024 is about 233.9215652578.
Adding to 12800024 its reverse (42000821), we get a palindrome (54800845).
The spelling of 12800024 in words is "twelve million, eight hundred thousand, twenty-four".
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