Base | Representation |
---|---|
bin | 10110111011101110… |
… | …00100110010110110 |
3 | 1011210001110100122212 |
4 | 23131313010302312 |
5 | 200203401340021 |
6 | 5353415453422 |
7 | 614051302550 |
oct | 133567046266 |
9 | 34701410585 |
10 | 12312136886 |
11 | 5248975745 |
12 | 2477387272 |
13 | 1212a219ca |
14 | 84b2704d0 |
15 | 4c0d7a85b |
hex | 2dddc4cb6 |
12312136886 has 32 divisors (see below), whose sum is σ = 22063226880. Its totient is φ = 5041764000.
The previous prime is 12312136883. The next prime is 12312136901. The reversal of 12312136886 is 68863121321.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12312136883) 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, 145265 + ... + 213836.
It is an arithmetic number, because the mean of its divisors is an integer number (689475840).
Almost surely, 212312136886 is an apocalyptic number.
12312136886 is a deficient number, since it is larger than the sum of its proper divisors (9751089994).
12312136886 is a wasteful number, since it uses less digits than its factorization.
12312136886 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 359220.
The product of its digits is 82944, while the sum is 41.
The spelling of 12312136886 in words is "twelve billion, three hundred twelve million, one hundred thirty-six thousand, eight hundred eighty-six".
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