Base | Representation |
---|---|
bin | 11000101101111110… |
… | …11111101111110011 |
3 | 1021020212001122122001 |
4 | 30112333133233303 |
5 | 204134241130442 |
6 | 10032455554431 |
7 | 646600425202 |
oct | 142677375763 |
9 | 37225048561 |
10 | 13270645747 |
11 | 569aa2a627 |
12 | 26a438ba17 |
13 | 1336492708 |
14 | 8dc69b239 |
15 | 52a0b32b7 |
hex | 316fdfbf3 |
13270645747 has 2 divisors, whose sum is σ = 13270645748. Its totient is φ = 13270645746.
The previous prime is 13270645711. The next prime is 13270645771. The reversal of 13270645747 is 74754607231.
It is a strong prime.
It is an emirp because it is prime and its reverse (74754607231) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13270645747 is a prime.
It is a super-2 number, since 2×132706457472 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13270645697 and 13270645706.
It is not a weakly prime, because it can be changed into another prime (13270655747) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6635322873 + 6635322874.
It is an arithmetic number, because the mean of its divisors is an integer number (6635322874).
Almost surely, 213270645747 is an apocalyptic number.
13270645747 is a deficient number, since it is larger than the sum of its proper divisors (1).
13270645747 is an equidigital number, since it uses as much as digits as its factorization.
13270645747 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 987840, while the sum is 46.
The spelling of 13270645747 in words is "thirteen billion, two hundred seventy million, six hundred forty-five thousand, seven hundred forty-seven".
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