Base | Representation |
---|---|
bin | 10111101010111101… |
… | …11000100111000000 |
3 | 1012210200012002021100 |
4 | 23311132320213000 |
5 | 202011330324304 |
6 | 5501014054400 |
7 | 626633013600 |
oct | 136536704700 |
9 | 35720162240 |
10 | 12708448704 |
11 | 5431651676 |
12 | 256804a400 |
13 | 1276b71643 |
14 | 887b54c00 |
15 | 4e5a61439 |
hex | 2f57b89c0 |
12708448704 has 252 divisors, whose sum is σ = 44218244304. Its totient is φ = 3472939008.
The previous prime is 12708448633. The next prime is 12708448721. The reversal of 12708448704 is 40784480721.
It is a tau number, because it is divible by the number of its divisors (252).
It is a self number, because there is not a number n which added to its sum of digits gives 12708448704.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 639364 + ... + 658940.
Almost surely, 212708448704 is an apocalyptic number.
12708448704 is a gapful number since it is divisible by the number (14) 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 12708448704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22109122152).
12708448704 is an abundant number, since it is smaller than the sum of its proper divisors (31509795600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12708448704 is a wasteful number, since it uses less digits than its factorization.
12708448704 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19632 (or 19612 counting only the distinct ones).
The product of its (nonzero) digits is 401408, while the sum is 45.
The spelling of 12708448704 in words is "twelve billion, seven hundred eight million, four hundred forty-eight thousand, seven hundred four".
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