Base | Representation |
---|---|
bin | 1011100100000010001011… |
… | …0111010111111111000111 |
3 | 1200000102020210012221102021 |
4 | 2321000202313113333013 |
5 | 3131300113130401141 |
6 | 43012330535424011 |
7 | 2451351021050653 |
oct | 271004267277707 |
9 | 50012223187367 |
10 | 12713688137671 |
11 | 4061932565974 |
12 | 1513bb8525007 |
13 | 712b84976471 |
14 | 31d4babb9a63 |
15 | 170aa3a576d1 |
hex | b9022dd7fc7 |
12713688137671 has 4 divisors (see below), whose sum is σ = 12922109254744. Its totient is φ = 12505267020600.
The previous prime is 12713688137609. The next prime is 12713688137677. The reversal of 12713688137671 is 17673188631721.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 12713688137671 - 219 = 12713687613383 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (61), and also a Moran number because the ratio is a prime number: 208421117011 = 12713688137671 / (1 + 2 + 7 + 1 + 3 + 6 + 8 + 8 + 1 + 3 + 7 + 6 + 7 + 1).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12713688137677) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104210558445 + ... + 104210558566.
It is an arithmetic number, because the mean of its divisors is an integer number (3230527313686).
Almost surely, 212713688137671 is an apocalyptic number.
12713688137671 is a deficient number, since it is larger than the sum of its proper divisors (208421117073).
12713688137671 is an equidigital number, since it uses as much as digits as its factorization.
12713688137671 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 208421117072.
The product of its digits is 14224896, while the sum is 61.
The spelling of 12713688137671 in words is "twelve trillion, seven hundred thirteen billion, six hundred eighty-eight million, one hundred thirty-seven thousand, six hundred seventy-one".
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