Base | Representation |
---|---|
bin | 10110111011101111… |
… | …01100111011111111 |
3 | 1011210001202201012200 |
4 | 23131313230323333 |
5 | 200203422120221 |
6 | 5353423202543 |
7 | 614052556122 |
oct | 133567547377 |
9 | 34701681180 |
10 | 12312301311 |
11 | 5248a78232 |
12 | 2477446453 |
13 | 1212a7b7bb |
14 | 84b2b43b9 |
15 | 4c0dae426 |
hex | 2dddeceff |
12312301311 has 12 divisors (see below), whose sum is σ = 17802074160. Its totient is φ = 8200059840.
The previous prime is 12312301301. The next prime is 12312301409. The reversal of 12312301311 is 11310321321.
12312301311 is a `hidden beast` number, since 12 + 312 + 30 + 1 + 311 = 666.
It is not a de Polignac number, because 12312301311 - 218 = 12312039167 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12312301301) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 668835 + ... + 686996.
It is an arithmetic number, because the mean of its divisors is an integer number (1483506180).
Almost surely, 212312301311 is an apocalyptic number.
12312301311 is a deficient number, since it is larger than the sum of its proper divisors (5489772849).
12312301311 is a wasteful number, since it uses less digits than its factorization.
12312301311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1356846 (or 1356843 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 12312301311 its reverse (11310321321), we get a palindrome (23622622632).
The spelling of 12312301311 in words is "twelve billion, three hundred twelve million, three hundred one thousand, three hundred eleven".
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