Search a number
-
+
311345352350 = 25223270735089
BaseRepresentation
bin1001000011111011010…
…00010000111010011110
31002202122012012122100022
410201331220100322132
520100113402233400
6355010255232142
731331266554344
oct4417550207236
91082565178308
10311345352350
1111004a37545a
1250410b18652
132348a472b56
14110d7c2d994
158173719b85
hex487da10e9e

311345352350 has 24 divisors (see below), whose sum is σ = 604280720880. Its totient is φ = 119123438720.

The previous prime is 311345352343. The next prime is 311345352359. The reversal of 311345352350 is 53253543113.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 311345352350.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311345352359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135366395 + ... + 135368694.

It is an arithmetic number, because the mean of its divisors is an integer number (25178363370).

Almost surely, 2311345352350 is an apocalyptic number.

311345352350 is a deficient number, since it is larger than the sum of its proper divisors (292935368530).

311345352350 is a wasteful number, since it uses less digits than its factorization.

311345352350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270735124 (or 270735119 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 35.

Adding to 311345352350 its reverse (53253543113), we get a palindrome (364598895463).

The spelling of 311345352350 in words is "three hundred eleven billion, three hundred forty-five million, three hundred fifty-two thousand, three hundred fifty".

Divisors: 1 2 5 10 23 25 46 50 115 230 575 1150 270735089 541470178 1353675445 2707350890 6226907047 6768377225 12453814094 13536754450 31134535235 62269070470 155672676175 311345352350