Base | Representation |
---|---|
bin | 1100010101110000101… |
… | …1110111101011000001 |
3 | 202021012122102111200002 |
4 | 3011130023313223001 |
5 | 11433134000403433 |
6 | 241220320005345 |
7 | 21213362243426 |
oct | 3053413675301 |
9 | 667178374602 |
10 | 212000012993 |
11 | 819aa53160a |
12 | 35106460855 |
13 | 16cb7489892 |
14 | a391b03d4d |
15 | 57abbe89e8 |
hex | 315c2f7ac1 |
212000012993 has 2 divisors, whose sum is σ = 212000012994. Its totient is φ = 212000012992.
The previous prime is 212000012963. The next prime is 212000013011. The reversal of 212000012993 is 399210000212.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 210982211584 + 1017801409 = 459328^2 + 31903^2 .
It is a cyclic number.
It is not a de Polignac number, because 212000012993 - 212 = 212000008897 is a prime.
It is not a weakly prime, because it can be changed into another prime (212000012963) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106000006496 + 106000006497.
It is an arithmetic number, because the mean of its divisors is an integer number (106000006497).
Almost surely, 2212000012993 is an apocalyptic number.
It is an amenable number.
212000012993 is a deficient number, since it is larger than the sum of its proper divisors (1).
212000012993 is an equidigital number, since it uses as much as digits as its factorization.
212000012993 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 29.
The spelling of 212000012993 in words is "two hundred twelve billion, twelve thousand, nine hundred ninety-three".
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