Base | Representation |
---|---|
bin | 10110111011110010… |
… | …10000011001101101 |
3 | 1011210002112102001210 |
4 | 23131321100121231 |
5 | 200204023134332 |
6 | 5353440025033 |
7 | 614056203651 |
oct | 133571203155 |
9 | 34702472053 |
10 | 12312708717 |
11 | 5249226331 |
12 | 2477602179 |
13 | 1212b9207a |
14 | 84b37ca61 |
15 | 4c0e3eecc |
hex | 2dde5066d |
12312708717 has 8 divisors (see below), whose sum is σ = 16417568160. Its totient is φ = 8208160880.
The previous prime is 12312708713. The next prime is 12312708763. The reversal of 12312708717 is 71780721321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12312708717 - 22 = 12312708713 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12312708713) by changing a digit.
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, 39634 + ... + 161852.
It is an arithmetic number, because the mean of its divisors is an integer number (2052196020).
Almost surely, 212312708717 is an apocalyptic number.
It is an amenable number.
12312708717 is a deficient number, since it is larger than the sum of its proper divisors (4104859443).
12312708717 is a wasteful number, since it uses less digits than its factorization.
12312708717 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 155803.
The product of its (nonzero) digits is 32928, while the sum is 39.
The spelling of 12312708717 in words is "twelve billion, three hundred twelve million, seven hundred eight thousand, seven hundred seventeen".
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