Base | Representation |
---|---|
bin | 11000000011000111… |
… | …10100100001010111 |
3 | 1020022210110021102210 |
4 | 30001203310201113 |
5 | 202420213204041 |
6 | 5533053004503 |
7 | 634643164242 |
oct | 140143644127 |
9 | 36283407383 |
10 | 12911069271 |
11 | 5525a64491 |
12 | 2603a83733 |
13 | 12a9b35679 |
14 | 8a6a1a259 |
15 | 508737016 |
hex | 3018f4857 |
12911069271 has 16 divisors (see below), whose sum is σ = 18229805568. Its totient is φ = 8099990400.
The previous prime is 12911069267. The next prime is 12911069287. The reversal of 12911069271 is 17296011921.
It is not a de Polignac number, because 12911069271 - 22 = 12911069267 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12911069201) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 575026 + ... + 597056.
It is an arithmetic number, because the mean of its divisors is an integer number (1139362848).
Almost surely, 212911069271 is an apocalyptic number.
12911069271 is a deficient number, since it is larger than the sum of its proper divisors (5318736297).
12911069271 is a wasteful number, since it uses less digits than its factorization.
12911069271 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33542.
The product of its (nonzero) digits is 13608, while the sum is 39.
The spelling of 12911069271 in words is "twelve billion, nine hundred eleven million, sixty-nine thousand, two hundred seventy-one".
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