Base | Representation |
---|---|
bin | 1100010110001011010… |
… | …0000001000111000111 |
3 | 202021111101122102112201 |
4 | 3011202310001013013 |
5 | 11433400431410321 |
6 | 241235331055331 |
7 | 21216212313034 |
oct | 3054264010707 |
9 | 667441572481 |
10 | 212111200711 |
11 | 81a57274593 |
12 | 35137741547 |
13 | 17004519727 |
14 | a3a27a838b |
15 | 57b685d291 |
hex | 3162d011c7 |
212111200711 has 2 divisors, whose sum is σ = 212111200712. Its totient is φ = 212111200710.
The previous prime is 212111200709. The next prime is 212111200727. The reversal of 212111200711 is 117002111212.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 212111200711 - 21 = 212111200709 is a prime.
It is a super-2 number, since 2×2121112007112 (a number of 23 digits) contains 22 as substring.
Together with 212111200709, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (212111000711) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106055600355 + 106055600356.
It is an arithmetic number, because the mean of its divisors is an integer number (106055600356).
Almost surely, 2212111200711 is an apocalyptic number.
212111200711 is a deficient number, since it is larger than the sum of its proper divisors (1).
212111200711 is an equidigital number, since it uses as much as digits as its factorization.
212111200711 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 56, while the sum is 19.
Adding to 212111200711 its reverse (117002111212), we get a palindrome (329113311923).
The spelling of 212111200711 in words is "two hundred twelve billion, one hundred eleven million, two hundred thousand, seven hundred eleven".
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