Base | Representation |
---|---|
bin | 11001011011111000… |
… | …101010101011011111 |
3 | 2121111101012010101022 |
4 | 121123320222223133 |
5 | 421413203312221 |
6 | 20314025434355 |
7 | 1654541642030 |
oct | 313370525337 |
9 | 77441163338 |
10 | 27311385311 |
11 | 10645624021 |
12 | 536263b9bb |
13 | 2763366932 |
14 | 147133aa87 |
15 | a9ca924ab |
hex | 65be2aadf |
27311385311 has 8 divisors (see below), whose sum is σ = 31242775200. Its totient is φ = 23387436288.
The previous prime is 27311385301. The next prime is 27311385319. The reversal of 27311385311 is 11358311372.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-27311385311 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27311385319) 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, 1852346 + ... + 1867031.
It is an arithmetic number, because the mean of its divisors is an integer number (3905346900).
Almost surely, 227311385311 is an apocalyptic number.
27311385311 is a deficient number, since it is larger than the sum of its proper divisors (3931389889).
27311385311 is a wasteful number, since it uses less digits than its factorization.
27311385311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3720433.
The product of its digits is 15120, while the sum is 35.
Adding to 27311385311 its reverse (11358311372), we get a palindrome (38669696683).
The spelling of 27311385311 in words is "twenty-seven billion, three hundred eleven million, three hundred eighty-five thousand, three hundred eleven".
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