Search a number
-
+
311350263212 = 22743310471891
BaseRepresentation
bin1001000011111011110…
…10111111110110101100
31002202122112110010210002
410201331322333312230
520100121131410322
6355010552403432
731331356366622
oct4417572776654
91082575403702
10311350263212
1111005211a01a
12504126a6578
132348b4a21a1
14110d874b512
158173d89c92
hex487debfdac

311350263212 has 12 divisors (see below), whose sum is σ = 544936315896. Its totient is φ = 155654172960.

The previous prime is 311350263157. The next prime is 311350263229. The reversal of 311350263212 is 212362053113.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5206214 + ... + 5265677.

It is an arithmetic number, because the mean of its divisors is an integer number (45411359658).

Almost surely, 2311350263212 is an apocalyptic number.

It is an amenable number.

311350263212 is a deficient number, since it is larger than the sum of its proper divisors (233586052684).

311350263212 is a wasteful number, since it uses less digits than its factorization.

311350263212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10479328 (or 10479326 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The spelling of 311350263212 in words is "three hundred eleven billion, three hundred fifty million, two hundred sixty-three thousand, two hundred twelve".

Divisors: 1 2 4 7433 14866 29732 10471891 20943782 41887564 77837565803 155675131606 311350263212