Base | Representation |
---|---|
bin | 10001101000110110111… |
… | …010001110100001110001 |
3 | 11021212122110202222002211 |
4 | 101220312322032201301 |
5 | 124324341103322433 |
6 | 2324455412412121 |
7 | 153400006045636 |
oct | 21506672164161 |
9 | 4255573688084 |
10 | 1212102010993 |
11 | 42805aa93075 |
12 | 176ab6617041 |
13 | 8a3ba918463 |
14 | 429478dc18d |
15 | 217e23ab8cd |
hex | 11a36e8e871 |
1212102010993 has 2 divisors, whose sum is σ = 1212102010994. Its totient is φ = 1212102010992.
The previous prime is 1212102010969. The next prime is 1212102011039. The reversal of 1212102010993 is 3990102012121.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1074307374144 + 137794636849 = 1036488^2 + 371207^2 .
It is a cyclic number.
It is not a de Polignac number, because 1212102010993 - 25 = 1212102010961 is a prime.
It is not a weakly prime, because it can be changed into another prime (1212102019993) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606051005496 + 606051005497.
It is an arithmetic number, because the mean of its divisors is an integer number (606051005497).
Almost surely, 21212102010993 is an apocalyptic number.
It is an amenable number.
1212102010993 is a deficient number, since it is larger than the sum of its proper divisors (1).
1212102010993 is an equidigital number, since it uses as much as digits as its factorization.
1212102010993 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1944, while the sum is 31.
The spelling of 1212102010993 in words is "one trillion, two hundred twelve billion, one hundred two million, ten thousand, nine hundred ninety-three".
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