Base | Representation |
---|---|
bin | 101101011001101111001… |
… | …101101111111010110101 |
3 | 102001021022000021020221200 |
4 | 231121233031233322311 |
5 | 402104241101211041 |
6 | 10345151440003113 |
7 | 441261544355601 |
oct | 55315715577265 |
9 | 12037260236850 |
10 | 3120012132021 |
11 | aa320a567864 |
12 | 424819900499 |
13 | 1982a63a4385 |
14 | ab01baba501 |
15 | 5625a7e41b6 |
hex | 2d66f36feb5 |
3120012132021 has 24 divisors (see below), whose sum is σ = 4782653029440. Its totient is φ = 1953195278976.
The previous prime is 3120012132019. The next prime is 3120012132031. The reversal of 3120012132021 is 1202312100213.
3120012132021 is a `hidden beast` number, since 3 + 1 + 200 + 121 + 320 + 21 = 666.
It is not a de Polignac number, because 3120012132021 - 21 = 3120012132019 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 3120012131985 and 3120012132003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3120012132031) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23158615 + ... + 23292948.
It is an arithmetic number, because the mean of its divisors is an integer number (199277209560).
Almost surely, 23120012132021 is an apocalyptic number.
It is an amenable number.
3120012132021 is a deficient number, since it is larger than the sum of its proper divisors (1662640897419).
3120012132021 is a wasteful number, since it uses less digits than its factorization.
3120012132021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46452025 (or 46452022 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 3120012132021 its reverse (1202312100213), we get a palindrome (4322324232234).
The spelling of 3120012132021 in words is "three trillion, one hundred twenty billion, twelve million, one hundred thirty-two thousand, twenty-one".
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