Base | Representation |
---|---|
bin | 11000000001101101… |
… | …00100101101000000 |
3 | 1020021222010122211110 |
4 | 30000312210231000 |
5 | 202404144124000 |
6 | 5531550443320 |
7 | 634440313260 |
oct | 140066445500 |
9 | 36258118743 |
10 | 12899208000 |
11 | 551a2a2988 |
12 | 25bbb03540 |
13 | 12a7541873 |
14 | 8a520d7a0 |
15 | 507692850 |
hex | 300da4b40 |
12899208000 has 224 divisors, whose sum is σ = 48678559488. Its totient is φ = 2948352000.
The previous prime is 12899207947. The next prime is 12899208019. The reversal of 12899208000 is 80299821.
It is a tau number, because it is divible by the number of its divisors (224).
It is a self number, because there is not a number n which added to its sum of digits gives 12899208000.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129610 + ... + 206390.
Almost surely, 212899208000 is an apocalyptic number.
12899208000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12899208000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24339279744).
12899208000 is an abundant number, since it is smaller than the sum of its proper divisors (35779351488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12899208000 is an equidigital number, since it uses as much as digits as its factorization.
12899208000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76818 (or 76798 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 39.
The spelling of 12899208000 in words is "twelve billion, eight hundred ninety-nine million, two hundred eight thousand".
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