Base | Representation |
---|---|
bin | 11000101110111101… |
… | …01111110101011011 |
3 | 1021021102110212102210 |
4 | 30113132233311123 |
5 | 204143340304412 |
6 | 10033351330203 |
7 | 650030155503 |
oct | 142736576533 |
9 | 37242425383 |
10 | 13278838107 |
11 | 56a4615677 |
12 | 26a7080963 |
13 | 13380a0572 |
14 | 8dd7d0a03 |
15 | 52ab8083c |
hex | 3177afd5b |
13278838107 has 4 divisors (see below), whose sum is σ = 17705117480. Its totient is φ = 8852558736.
The previous prime is 13278838099. The next prime is 13278838121. The reversal of 13278838107 is 70183887231.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 13278838107 - 23 = 13278838099 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13278830107) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2213139682 + ... + 2213139687.
It is an arithmetic number, because the mean of its divisors is an integer number (4426279370).
Almost surely, 213278838107 is an apocalyptic number.
13278838107 is a deficient number, since it is larger than the sum of its proper divisors (4426279373).
13278838107 is an equidigital number, since it uses as much as digits as its factorization.
13278838107 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4426279372.
The product of its (nonzero) digits is 451584, while the sum is 48.
The spelling of 13278838107 in words is "thirteen billion, two hundred seventy-eight million, eight hundred thirty-eight thousand, one hundred seven".
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