Base | Representation |
---|---|
bin | 111111101001111011… |
… | …011101100011111110 |
3 | 20112102101001112000101 |
4 | 333221323131203332 |
5 | 2104434343011400 |
6 | 51222120151314 |
7 | 4636520341462 |
oct | 775173354376 |
9 | 215371045011 |
10 | 68349188350 |
11 | 26a94375923 |
12 | 112b600853a |
13 | 65a3430c21 |
14 | 34456964a2 |
15 | 1ba072656a |
hex | fe9edd8fe |
68349188350 has 48 divisors (see below), whose sum is σ = 129957628608. Its totient is φ = 26732579840.
The previous prime is 68349188333. The next prime is 68349188353. The reversal of 68349188350 is 5388194386.
It is a super-2 number, since 2×683491883502 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 68349188291 and 68349188300.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68349188353) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2564694 + ... + 2591206.
It is an arithmetic number, because the mean of its divisors is an integer number (2707450596).
Almost surely, 268349188350 is an apocalyptic number.
68349188350 is a deficient number, since it is larger than the sum of its proper divisors (61608440258).
68349188350 is a wasteful number, since it uses less digits than its factorization.
68349188350 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27669 (or 27664 counting only the distinct ones).
The product of its (nonzero) digits is 4976640, while the sum is 55.
The spelling of 68349188350 in words is "sixty-eight billion, three hundred forty-nine million, one hundred eighty-eight thousand, three hundred fifty".
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