Base | Representation |
---|---|
bin | 11000100100010010… |
… | …00110101001010101 |
3 | 1021001011221202110122 |
4 | 30102021012221111 |
5 | 204002423401133 |
6 | 10020432001325 |
7 | 644562005252 |
oct | 142211065125 |
9 | 37034852418 |
10 | 13189278293 |
11 | 5659004aa4 |
12 | 2681090245 |
13 | 1322673aa9 |
14 | 8d195a429 |
15 | 522d8e498 |
hex | 312246a55 |
13189278293 has 8 divisors (see below), whose sum is σ = 13427104320. Its totient is φ = 12952898560.
The previous prime is 13189278287. The next prime is 13189278313. The reversal of 13189278293 is 39287298131.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13189278293 - 214 = 13189261909 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 (13189278253) 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, 343163 + ... + 379656.
It is an arithmetic number, because the mean of its divisors is an integer number (1678388040).
Almost surely, 213189278293 is an apocalyptic number.
It is an amenable number.
13189278293 is a deficient number, since it is larger than the sum of its proper divisors (237826027).
13189278293 is an equidigital number, since it uses as much as digits as its factorization.
13189278293 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 723147.
The product of its digits is 1306368, while the sum is 53.
The spelling of 13189278293 in words is "thirteen billion, one hundred eighty-nine million, two hundred seventy-eight thousand, two hundred ninety-three".
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