Base | Representation |
---|---|
bin | 10111110101110110… |
… | …00000010101010000 |
3 | 1020001000220110100210 |
4 | 23322323000111100 |
5 | 202203211101243 |
6 | 5514034044120 |
7 | 632121465264 |
oct | 137273002520 |
9 | 36030813323 |
10 | 12799706448 |
11 | 54791119a1 |
12 | 2592719640 |
13 | 128ca43bc9 |
14 | 895d0c0a4 |
15 | 4eda8a933 |
hex | 2faec0550 |
12799706448 has 80 divisors (see below), whose sum is σ = 34608784896. Its totient is φ = 4068620160.
The previous prime is 12799706429. The next prime is 12799706509. The reversal of 12799706448 is 84460799721.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347911 + ... + 382937.
Almost surely, 212799706448 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12799706448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17304392448).
12799706448 is an abundant number, since it is smaller than the sum of its proper divisors (21809078448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12799706448 is a wasteful number, since it uses less digits than its factorization.
12799706448 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35392 (or 35386 counting only the distinct ones).
The product of its (nonzero) digits is 6096384, while the sum is 57.
The spelling of 12799706448 in words is "twelve billion, seven hundred ninety-nine million, seven hundred six thousand, four hundred forty-eight".
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