Search a number
-
+
216065067712212 = 22391778919618259
BaseRepresentation
bin110001001000001010010001…
…100110111111111011010100
31001100000121201001210010022010
4301020022101212333323110
5211310002224313242322
62043310531040304220
763340120540633215
oct6110122146777324
91040017631703263
10216065067712212
1162932753a11a94
1220296a36012070
139373b050b0344
143b4d86848140c
1519ea53554c20c
hexc482919bfed4

216065067712212 has 24 divisors (see below), whose sum is σ = 504152399671200. Its totient is φ = 72021607093216.

The previous prime is 216065067712201. The next prime is 216065067712253. The reversal of 216065067712212 is 212217760560612.

216065067712212 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2160650677122122 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1204339 + ... + 20822597.

It is an arithmetic number, because the mean of its divisors is an integer number (21006349986300).

Almost surely, 2216065067712212 is an apocalyptic number.

It is an amenable number.

216065067712212 is an abundant number, since it is smaller than the sum of its proper divisors (288087331958988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216065067712212 is a wasteful number, since it uses less digits than its factorization.

216065067712212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20536055 (or 20536053 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 216065067712212 in words is "two hundred sixteen trillion, sixty-five billion, sixty-seven million, seven hundred twelve thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 917789 1835578 2753367 3671156 5506734 11013468 19618259 39236518 58854777 78473036 117709554 235419108 18005422309351 36010844618702 54016266928053 72021689237404 108032533856106 216065067712212