Base | Representation |
---|---|
bin | 111111110001101000… |
… | …011111100000111101 |
3 | 20112202101020211210220 |
4 | 333301220133200331 |
5 | 2110220434331331 |
6 | 51243014251553 |
7 | 4642650036153 |
oct | 776150374075 |
9 | 215671224726 |
10 | 68478433341 |
11 | 2705032156a |
12 | 11331356bb9 |
13 | 65c4143b56 |
14 | 34588db3d3 |
15 | 1babc56296 |
hex | ff1a1f83d |
68478433341 has 4 divisors (see below), whose sum is σ = 91304577792. Its totient is φ = 45652288892.
The previous prime is 68478433337. The next prime is 68478433369. The reversal of 68478433341 is 14333487486.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 68478433341 - 22 = 68478433337 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68478434341) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11413072221 + ... + 11413072226.
It is an arithmetic number, because the mean of its divisors is an integer number (22826144448).
Almost surely, 268478433341 is an apocalyptic number.
It is an amenable number.
68478433341 is a deficient number, since it is larger than the sum of its proper divisors (22826144451).
68478433341 is a wasteful number, since it uses less digits than its factorization.
68478433341 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22826144450.
The product of its digits is 4644864, while the sum is 51.
The spelling of 68478433341 in words is "sixty-eight billion, four hundred seventy-eight million, four hundred thirty-three thousand, three hundred forty-one".
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