Base | Representation |
---|---|
bin | 10111111111100100… |
… | …00011100001011100 |
3 | 1020020201100010000022 |
4 | 23333302003201130 |
5 | 202340044340200 |
6 | 5530105451312 |
7 | 634131533636 |
oct | 137762034134 |
9 | 36221303008 |
10 | 12881246300 |
11 | 5510144aaa |
12 | 25b5aa0b38 |
13 | 12a38c3140 |
14 | 8a2a95a56 |
15 | 505ce5885 |
hex | 2ffc8385c |
12881246300 has 36 divisors (see below), whose sum is σ = 30102484776. Its totient is φ = 4756152000.
The previous prime is 12881246297. The next prime is 12881246363. The reversal of 12881246300 is 364218821.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4953026 + ... + 4955625.
Almost surely, 212881246300 is an apocalyptic number.
12881246300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12881246300 is an abundant number, since it is smaller than the sum of its proper divisors (17221238476).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12881246300 is a wasteful number, since it uses less digits than its factorization.
12881246300 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9908678 (or 9908671 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 35.
The spelling of 12881246300 in words is "twelve billion, eight hundred eighty-one million, two hundred forty-six thousand, three hundred".
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