Base | Representation |
---|---|
bin | 10110100010100000… |
… | …10011111111011011 |
3 | 1011020022111122201100 |
4 | 23101100103333123 |
5 | 144240231231143 |
6 | 5320422522443 |
7 | 605602550556 |
oct | 132120237733 |
9 | 34208448640 |
10 | 12100648923 |
11 | 514a556700 |
12 | 2418596423 |
13 | 11aac747bc |
14 | 82b13b69d |
15 | 4ac5026d3 |
hex | 2d1413fdb |
12100648923 has 18 divisors (see below), whose sum is σ = 19212143132. Its totient is φ = 7333725960.
The previous prime is 12100648907. The next prime is 12100648951. The reversal of 12100648923 is 32984600121.
12100648923 is a `hidden beast` number, since 1 + 2 + 1 + 0 + 0 + 648 + 9 + 2 + 3 = 666.
It is not a de Polignac number, because 12100648923 - 24 = 12100648907 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12100648223) 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 17 ways as a sum of consecutive naturals, for example, 5554765 + ... + 5556942.
Almost surely, 212100648923 is an apocalyptic number.
12100648923 is a deficient number, since it is larger than the sum of its proper divisors (7111494209).
12100648923 is a wasteful number, since it uses less digits than its factorization.
12100648923 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11111735 (or 11111721 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The spelling of 12100648923 in words is "twelve billion, one hundred million, six hundred forty-eight thousand, nine hundred twenty-three".
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