Base | Representation |
---|---|
bin | 11110101111000000000… |
… | …111001101111101110101 |
3 | 21110220120112120021111011 |
4 | 132233000013031331311 |
5 | 234100440311410041 |
6 | 4254132513312221 |
7 | 305406422204551 |
oct | 36570007157565 |
9 | 7426515507434 |
10 | 2112052060021 |
11 | 744797365a72 |
12 | 2a13b5b65671 |
13 | 12421cc35577 |
14 | 7431c400861 |
15 | 39e1531ce81 |
hex | 1ebc01cdf75 |
2112052060021 has 2 divisors, whose sum is σ = 2112052060022. Its totient is φ = 2112052060020.
The previous prime is 2112052060009. The next prime is 2112052060093. The reversal of 2112052060021 is 1200602502112.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2088920996100 + 23131063921 = 1445310^2 + 152089^2 .
It is a cyclic number.
It is not a de Polignac number, because 2112052060021 - 25 = 2112052059989 is a prime.
It is a super-4 number, since 4×21120520600214 (a number of 50 digits) contains 4444 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2112052059974 and 2112052060001.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2112022060021) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056026030010 + 1056026030011.
It is an arithmetic number, because the mean of its divisors is an integer number (1056026030011).
Almost surely, 22112052060021 is an apocalyptic number.
It is an amenable number.
2112052060021 is a deficient number, since it is larger than the sum of its proper divisors (1).
2112052060021 is an equidigital number, since it uses as much as digits as its factorization.
2112052060021 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 480, while the sum is 22.
Adding to 2112052060021 its reverse (1200602502112), we get a palindrome (3312654562133).
The spelling of 2112052060021 in words is "two trillion, one hundred twelve billion, fifty-two million, sixty thousand, twenty-one".
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