Base | Representation |
---|---|
bin | 10111000100011111… |
… | …11001010011111000 |
3 | 1011222011222102001010 |
4 | 23202033321103320 |
5 | 200331223033222 |
6 | 5405005353520 |
7 | 615634105023 |
oct | 134217712370 |
9 | 34864872033 |
10 | 12385752312 |
11 | 528648603a |
12 | 2497b688a0 |
13 | 122505802b |
14 | 856d541ba |
15 | 4c756c80c |
hex | 2e23f94f8 |
12385752312 has 32 divisors (see below), whose sum is σ = 31143376080. Its totient is φ = 4104718080.
The previous prime is 12385752299. The next prime is 12385752349. The reversal of 12385752312 is 21325758321.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1487389 + ... + 1495692.
Almost surely, 212385752312 is an apocalyptic number.
12385752312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12385752312 is an abundant number, since it is smaller than the sum of its proper divisors (18757623768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12385752312 is a wasteful number, since it uses less digits than its factorization.
12385752312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2983263 (or 2983259 counting only the distinct ones).
The product of its digits is 100800, while the sum is 39.
The spelling of 12385752312 in words is "twelve billion, three hundred eighty-five million, seven hundred fifty-two thousand, three hundred twelve".
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