Base | Representation |
---|---|
bin | 10111111110100010… |
… | …10101111111100111 |
3 | 1020020010012110012021 |
4 | 23333101111333213 |
5 | 202330400434312 |
6 | 5525202004011 |
7 | 633665620444 |
oct | 137721257747 |
9 | 36203173167 |
10 | 12872671207 |
11 | 5506318450 |
12 | 25b3046607 |
13 | 12a1bb0016 |
14 | 8a18a29cb |
15 | 50519ec07 |
hex | 2ff455fe7 |
12872671207 has 8 divisors (see below), whose sum is σ = 14252510592. Its totient is φ = 11527764600.
The previous prime is 12872671199. The next prime is 12872671213. The reversal of 12872671207 is 70217627821.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12872671207 - 23 = 12872671199 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12872621207) 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, 8732419 + ... + 8733892.
It is an arithmetic number, because the mean of its divisors is an integer number (1781563824).
Almost surely, 212872671207 is an apocalyptic number.
12872671207 is a deficient number, since it is larger than the sum of its proper divisors (1379839385).
12872671207 is a wasteful number, since it uses less digits than its factorization.
12872671207 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17466389.
The product of its (nonzero) digits is 131712, while the sum is 43.
The spelling of 12872671207 in words is "twelve billion, eight hundred seventy-two million, six hundred seventy-one thousand, two hundred seven".
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