Base | Representation |
---|---|
bin | 10111011011101111… |
… | …11100100011110000 |
3 | 1012110202222220012102 |
4 | 23231313330203300 |
5 | 201231141111002 |
6 | 5440214115532 |
7 | 623523020252 |
oct | 135567744360 |
9 | 35422886172 |
10 | 12580800752 |
11 | 53765968a3 |
12 | 253134bba8 |
13 | 125659a600 |
14 | 874c07cd2 |
15 | 4d9749a02 |
hex | 2eddfc8f0 |
12580800752 has 60 divisors (see below), whose sum is σ = 27783857880. Its totient is φ = 5500894464.
The previous prime is 12580800731. The next prime is 12580800803. The reversal of 12580800752 is 25700808521.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (38).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71063 + ... + 173814.
It is an arithmetic number, because the mean of its divisors is an integer number (463064298).
Almost surely, 212580800752 is an apocalyptic number.
It is an amenable number.
12580800752 is an abundant number, since it is smaller than the sum of its proper divisors (15203057128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12580800752 is a wasteful number, since it uses less digits than its factorization.
12580800752 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 244930 (or 244911 counting only the distinct ones).
The product of its (nonzero) digits is 44800, while the sum is 38.
The spelling of 12580800752 in words is "twelve billion, five hundred eighty million, eight hundred thousand, seven hundred fifty-two".
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