Base | Representation |
---|---|
bin | 110000110101… |
… | …001011000010 |
3 | 220002100021020 |
4 | 300311023002 |
5 | 11234110311 |
6 | 1134210310 |
7 | 213542562 |
oct | 60651302 |
9 | 26070236 |
10 | 12800706 |
11 | 72533a6 |
12 | 4353996 |
13 | 28625a9 |
14 | 19b2da2 |
15 | 11ccc06 |
hex | c352c2 |
12800706 has 16 divisors (see below), whose sum is σ = 26427648. Its totient is φ = 4129200.
The previous prime is 12800663. The next prime is 12800707. The reversal of 12800706 is 60700821.
It is not an unprimeable number, because it can be changed into a prime (12800707) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34225 + ... + 34596.
It is an arithmetic number, because the mean of its divisors is an integer number (1651728).
Almost surely, 212800706 is an apocalyptic number.
12800706 is an abundant number, since it is smaller than the sum of its proper divisors (13626942).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12800706 is a wasteful number, since it uses less digits than its factorization.
12800706 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68857.
The product of its (nonzero) digits is 672, while the sum is 24.
The square root of 12800706 is about 3577.8074291387. The cubic root of 12800706 is about 233.9257197207.
The spelling of 12800706 in words is "twelve million, eight hundred thousand, seven hundred six".
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